7x-5=15x-77

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Solution for 7x-5=15x-77 equation:


Simplifying
7x + -5 = 15x + -77

Reorder the terms:
-5 + 7x = 15x + -77

Reorder the terms:
-5 + 7x = -77 + 15x

Solving
-5 + 7x = -77 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-5 + 7x + -15x = -77 + 15x + -15x

Combine like terms: 7x + -15x = -8x
-5 + -8x = -77 + 15x + -15x

Combine like terms: 15x + -15x = 0
-5 + -8x = -77 + 0
-5 + -8x = -77

Add '5' to each side of the equation.
-5 + 5 + -8x = -77 + 5

Combine like terms: -5 + 5 = 0
0 + -8x = -77 + 5
-8x = -77 + 5

Combine like terms: -77 + 5 = -72
-8x = -72

Divide each side by '-8'.
x = 9

Simplifying
x = 9

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