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y - 11x = -18y
y + 18y - 11x = 0
19y - 11x = 0
19y = 11x
y = 11/19x OR 19/11y = x (which will end up as 1 8/11y = x)
You add -18... 18 + y = 32 18 + y + (-18) = 32 + (-18) y = 14
y = -24x - 3y = 18 (use the substitution method)4x - 3y = 18 (substitute -2 for y, and solve for x))4x - 3(-2) = 184x + 6 = 18 (subtract 6 to both sides)4x = 12 (divide by 2 to both sides)x = 3Thus, (3, -2) is the solution of the given system of equations.
-2y = 10 2y = -10 y = -5
y=7+x =x=7-x
What are we solving here for, Z, X, or Y?If solve for Z then the answer would be z = x + yIf solve for X then the answer would be z = z - yIf solve for Y than the answer would y = z - xHope this help.