-77=3x+7x-7

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Solution for -77=3x+7x-7 equation:


Simplifying
-77 = 3x + 7x + -7

Reorder the terms:
-77 = -7 + 3x + 7x

Combine like terms: 3x + 7x = 10x
-77 = -7 + 10x

Solving
-77 = -7 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-77 + -10x = -7 + 10x + -10x

Combine like terms: 10x + -10x = 0
-77 + -10x = -7 + 0
-77 + -10x = -7

Add '77' to each side of the equation.
-77 + 77 + -10x = -7 + 77

Combine like terms: -77 + 77 = 0
0 + -10x = -7 + 77
-10x = -7 + 77

Combine like terms: -7 + 77 = 70
-10x = 70

Divide each side by '-10'.
x = -7

Simplifying
x = -7

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