-315=-5(7-7x)

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Solution for -315=-5(7-7x) equation:


Simplifying
-315 = -5(7 + -7x)
-315 = (7 * -5 + -7x * -5)
-315 = (-35 + 35x)

Solving
-315 = -35 + 35x

Solving for variable 'x'.

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

Add '-35x' to each side of the equation.
-315 + -35x = -35 + 35x + -35x

Combine like terms: 35x + -35x = 0
-315 + -35x = -35 + 0
-315 + -35x = -35

Add '315' to each side of the equation.
-315 + 315 + -35x = -35 + 315

Combine like terms: -315 + 315 = 0
0 + -35x = -35 + 315
-35x = -35 + 315

Combine like terms: -35 + 315 = 280
-35x = 280

Divide each side by '-35'.
x = -8

Simplifying
x = -8

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