8(x-9)=7x-77

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Solution for 8(x-9)=7x-77 equation:


Simplifying
8(x + -9) = 7x + -77

Reorder the terms:
8(-9 + x) = 7x + -77
(-9 * 8 + x * 8) = 7x + -77
(-72 + 8x) = 7x + -77

Reorder the terms:
-72 + 8x = -77 + 7x

Solving
-72 + 8x = -77 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-72 + 8x + -7x = -77 + 7x + -7x

Combine like terms: 8x + -7x = 1x
-72 + 1x = -77 + 7x + -7x

Combine like terms: 7x + -7x = 0
-72 + 1x = -77 + 0
-72 + 1x = -77

Add '72' to each side of the equation.
-72 + 72 + 1x = -77 + 72

Combine like terms: -72 + 72 = 0
0 + 1x = -77 + 72
1x = -77 + 72

Combine like terms: -77 + 72 = -5
1x = -5

Divide each side by '1'.
x = -5

Simplifying
x = -5

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