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3y plus 4z plus 12y equals 3y?
3y + 4z + 12y = 3y -3y -3y ------------------------- 4z + 12y = 0 divide everything by 4 z + 3y = 0 -3y -3y z = -3y
6x-3y equals 30 and 4x equals 2-y then find x plus y equals -4?
6x - 3y = 304x = 2 - y4x = 2 - yy = 2 - 4x (substitute 2 - 4x for y into the first equation)6x - 3y = 306x - 3(2 - 4x) = 306x - 6 + 12x = 3018x = 36x = 2y = 2 - 4x (substitute 2 for x)y = 2 - 4(2) = 2 - 8 = -6So the solution is x = 2, and y = -6.x + y = 2 + -6 = -4Thus, it is true that x + y = -4.
Simplify the algebraic expression 2x-3y-7y plus 4x-5 and evaluate it for x equals 10 and y equals 4?
2x - 3y -7y + 4x - 5 = 6x - 10y - 5 and (6 x 10) - (10 x 4 ) - 5 = 60 - 40 - 5 = 15
What is the answer to 6x plus 4 equals 34?
x=5
6x - 4y equals -8 11x plus 4y equals 76?
(4, 8)
Are the lines y equals -2x-4 and 6x plus 3y equals 2 parallel?
Yes.
Is this a no solution 6x - 2y equals 4 -9 plus 3y equals 12?
(x, y) = (3, 7) is a solution.
What is -6x plus 3y equals -18 -10 plus 5y equals -30 using substitution?
The question is not quite clear, do you mean -6x+3y = -18 and -10+5y = -30? If so then the solution is: -10+5y= -30 5y = -30+10 5y = -20 y = -4 Substitute the value of y into the equation -6x+3y = -18: Answer: x = 1 and y = -4
What is the correct classification of this system of equations -2x plus y equals 7 3y equals 6x plus 4?
Inconsistent linear equations in two variables.
What is the answer to x-3y plus 3z equals -4 2x plus 3y-z equals 15 4-3y-z equals 19?
4.34684352143
What is 6x-3y plus 2 equals -3y-2x?
6x - 3y + 2 = -3y - 2x8x + 2 = 0 (add 3x + 2y to both sides)8x = -2 (subtract 2 from both sides)x = -1/4 or -0.25 (divide both sides by 8)
What is the answer to 4 plus 3y equals 16?
4
What is 4x plus 6y plus 3y plus 4w plus 6x-7w?
Let's see if I can answer this. 4X + 6Y + 3Y + 4W + 6X - 7W = (4 + 6)X + (6 + 3)Y + (4 - 7)W = 10X + 9Y - 3W
What is the slope for y equals 6x plus 4?
-6x
What is 6x plus 4 equals 52?
6x+4=52 6x=48 x=8
2x-3y-7y plus 4x-5 when x equals 10 and y equals 4?
2x-3y-7y+4x-5=6x-10y-5=6*10-10*4-5=60-40-5=60-45=15
4y plus 4 equals 3y-5?
4y + 4 = 3y - 5 y = -9
