8(x-7)-9(y+5)=80

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Solution for 8(x-7)-9(y+5)=80 equation:


Simplifying
8(x + -7) + -9(y + 5) = 80

Reorder the terms:
8(-7 + x) + -9(y + 5) = 80
(-7 * 8 + x * 8) + -9(y + 5) = 80
(-56 + 8x) + -9(y + 5) = 80

Reorder the terms:
-56 + 8x + -9(5 + y) = 80
-56 + 8x + (5 * -9 + y * -9) = 80
-56 + 8x + (-45 + -9y) = 80

Reorder the terms:
-56 + -45 + 8x + -9y = 80

Combine like terms: -56 + -45 = -101
-101 + 8x + -9y = 80

Solving
-101 + 8x + -9y = 80

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '101' to each side of the equation.
-101 + 8x + 101 + -9y = 80 + 101

Reorder the terms:
-101 + 101 + 8x + -9y = 80 + 101

Combine like terms: -101 + 101 = 0
0 + 8x + -9y = 80 + 101
8x + -9y = 80 + 101

Combine like terms: 80 + 101 = 181
8x + -9y = 181

Add '9y' to each side of the equation.
8x + -9y + 9y = 181 + 9y

Combine like terms: -9y + 9y = 0
8x + 0 = 181 + 9y
8x = 181 + 9y

Divide each side by '8'.
x = 22.625 + 1.125y

Simplifying
x = 22.625 + 1.125y

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