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Simplify 10x plus 41y-142x plus 2y?
10x + 41y - 142x + 2y = 10x - 142x + 41y + 2y = (10 -142)x + (41 + 2)y = -132x + 43y
4x plus 5y equals 2 7x minus 2y equals 1 solve by substitution?
4x + 5y = 2 and 7x - 2y = 1 From the first equation, x = (2 - 5y)/4 putting this value of x to the second equation, 7(2 - 5y)/4 - 2y =1 => (14 - 35y)/4 - 2y = 1 =>14 - 35y - 8y = 4 =>14 - 43y = 4 =>43y = 10 => y = 10/43 putting y = 10/43 in x = (2 - 5y)/4 => x =( 86 - 50 )/172 => x = 36/172 => x = 9/43 therefore, x = 9/43 and y = 10/43
Solve for x and y 37x 43y 123 43x 37y 117?
7x+43y=123 ..............(1) 43x+37y=117 ..............(2) ADD EQN (1)AND(2) WE GET 80X + 80Y = 240, WHICH WHEN REDUCED IS X + Y = 3 ........................(3) SUBRACTING EQN (1) AND (2) WE GET -6X + 6Y = 6, WHICH WHEN REDUCED IS (-X + Y = 1) ........................(4) ADDING EQN (3) AND (4) X + Y = 3 -X + Y = 1 WE GET 2Y = 4 SO Y = 2 SUBSTITUTING Y = 2 IN EQN (3) WE GET X + 2 = 3 SO X = 1 THEREFORE X= 1 AND Y = 2 IS THE SOLUTION FOR THE PAIR OF LINEAR EQUATIONS.
How do you do this math problem y equals x plus 4 and 3y plus x equals 8?
y = x + 43y + x = 8substituting: 3*(x + 4) + x = 8 => 3x + 12 + x = 8 => 4x = -4 => x = -1and then y = x + 4 = -1 + 4 = 3.So the solution is (x, y) = (-1, 3)
How old can a polar bear get?
polar bear will according to wiki rarely get older then 25,the oldest recorded have been at age of 32 and the oldest non-wild bear was a 43y female for more information about polar bear please check related links...
Write an equation of the line that passes through the point 7 and 6and has a slope of 7?
Let m = 7 and (x1, y1) = (7, 6).Replace what is given into the slope-point form of the equation of a line:y - y1 = m(x - x1)y - 6 = 7(x - 7)y - 6 = 7x - 49y - 6 + 6 = 7x - 49 + 6y = 7x - 43 the lope-intercept form of the equationy - 7x = 7x - 7x - 43y - 7x = -43-7x + y = -43 the general form of the equation
What is the ordered pair of negative 4x plus 7y equals 9 and 2y equals negative 5x minus 22?
Rearrange the equations in the form of:- 5(-4x+7y = 9) 4(5x+2y = -22) Multiply all terms in the 1st equation by 5 and all terms in the 2nd equation by 4 -20x+35y = 45 20x+8y = -88 Add both equations 43y = -43 => y = -1 Substitute the value of y into the original equations to find the value of x Therefore: x = -4 and y = -1
If math were an animal what would it be?
Oh, dude, if math were an animal, it would totally be a cat. You know, all mysterious and independent, doing its own thing. Plus, just when you think you've got it figured out, it goes and does something completely unexpected. Math, like a cat, always keeping us on our toes.
Pokemon Mystery Dungeon wonder mail codes?
There may not be a wonder mail for mew, but you can find him in buried relic in floor 36 to 99(you must have the music box with you). Remember that mew can transform, if you see mew used transform! in your message place, look for any Pokemon and defeat it. You should get a friend bow. You can get a friend bow by Google or something. Mew is awesome and good luck! :) *Edit* Here are some wonder mail codes for red and blue rescue team: Client: Gorebyss Objective: Help Me Place: Tiny Woods 1F Reward: Friend Bow ??9? 8?0? ?N?? -8?N F4?6 K??? Client: Relicanth Objective: Help Me Place: Tiny Woods 2F Reward: Music Box ??9? 8?0? 4N6? 8X?N F?66 Q???
How old were all presidents when first elected?
The usual form of the question is "what was the age at which each became President?" (ignoring any distinction between those who were elected or those who took over at the death or resignation of their predecessor). Including ALL Presidents, and counting those later elected "in their own right" increases the age a bit.The median age overall (whether elected or not) is 54 years, 11 months.Most by far were in their 50s (twenty-four), esp. 50-55 (fifteen).The range of those elected has been from 43 (Kennedy) to 69 (Reagan); Theodore Roosevelt became President at 42 (on the death of McKinley). No others under 45 have been elected, and only two were over 65 when elected (W.H. Harrison at 68, and Reagan), so we could say "mostly between 45 and 65".
