-215=-5x-5(-5+7x)

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Solution for -215=-5x-5(-5+7x) equation:


Simplifying
-215 = -5x + -5(-5 + 7x)
-215 = -5x + (-5 * -5 + 7x * -5)
-215 = -5x + (25 + -35x)

Reorder the terms:
-215 = 25 + -5x + -35x

Combine like terms: -5x + -35x = -40x
-215 = 25 + -40x

Solving
-215 = 25 + -40x

Solving for variable 'x'.

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

Add '40x' to each side of the equation.
-215 + 40x = 25 + -40x + 40x

Combine like terms: -40x + 40x = 0
-215 + 40x = 25 + 0
-215 + 40x = 25

Add '215' to each side of the equation.
-215 + 215 + 40x = 25 + 215

Combine like terms: -215 + 215 = 0
0 + 40x = 25 + 215
40x = 25 + 215

Combine like terms: 25 + 215 = 240
40x = 240

Divide each side by '40'.
x = 6

Simplifying
x = 6

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