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What is -8 plus 10x equals 18?
-8 + 10x = 18 10x = 18+8 10x = 26 x = 26/10 x = 2.6
How do you solve 3X plus 2Y equals 16 and 5X plus 3Y-18 equals 4Y by substitution?
First collect like terms in the second equation: 5x - 18 = 4y - 3y ie y = 5x - 18 Substitute this for the term in y in the first equation, getting 3x + 2(5x - 18) = 16 ie 3x + 10x - 36 = 16 ie 13x = 16 + 36 so x = 4 and y = 5 x 4 - 18 ie 2.
What is y plus 7 equals -18?
y= -25
What is 18 plus x equals -2?
16
What x what equls 18?
There is no such thing as what times what equals 18.There is only 1,2,9,16,25,36,49,64,81,100,121,144 as square numbers.
What is -8 plus 10x equals 18?
-8 + 10x = 18 10x = 18+8 10x = 26 x = 26/10 x = 2.6
Y equals 10x - 9 y equals x plus 18?
(3,21)
10x-18 equals 5x plus 2?
10x - 18 = 5x + 2 Add -5x + 18 to both sides of the equation, to get: 5x = 20, from which x = 4.
How do you Solve the equation x2 plus 10x equals 18 by completing the square?
x2 + 10x = 18 x2 + 2(5)x - 18 = 0 x2 + 2(5)x + 25 = 18 + 25 (x + 5) 2 = 43 x + 5 = 430.5 x=6.56(3sf)-5
4x plus 6y equals 62 -6x plus 6y equals -18?
Subtracting gives: 10x = 80 so x = 8 and y = 5
What is the answer to 10x plus 6 equals 12x-18?
10x + 6 = 12x - 18 Subtract 10x from both sides: 6 = 2x - 18 Add 18 to both sides: 24 = 2x Divide both sides by 2: 12 = x Therefore, x = 12
18 plus 18 plus 18 plus 18 equals?
72 but there is such a thing as a CALCULATOR
Which statement does not illustrate Goldbach's conjecture 7 plus 11 equals 18 3 plus 15 equals 18 5 plus 13 equals 18?
2+14=16
What is 18 plus 199?
18 plus 199 equals 217.
How do you solve 2-8x equals 10x plus 20?
1)set 2-8x equal to 10x+202) like term - add or subtract3)after u combined like terms, move (X) to either side4) now divide, the left over, {x divide the whole number}EX:2-8x=10x+20-20 - -20-18-8x= 10x+8x +8x-18=18xx=-1
18 plus 18 plus 18 plus 18 equals U?
U = 4 x 18 U = 72
2x plus 3x plus 2x plus 3x equals 180?
Ok so 2x + 3x + 2x + 3x = 180.... so combine like terms, 2x + 3x + 2x + 3x is 10x, because 2+3+2+3 is equal to 10, and then so 10x = 180, so divide each side by 10 because the "10" on the left side is multiplying the x, and we want "x" by itself and the opposite of multiplication is division, and 10x/10 is x and 180/10 is 18, so x = 18.
