-7x-7(5x-15)=-189

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Solution for -7x-7(5x-15)=-189 equation:


Simplifying
-7x + -7(5x + -15) = -189

Reorder the terms:
-7x + -7(-15 + 5x) = -189
-7x + (-15 * -7 + 5x * -7) = -189
-7x + (105 + -35x) = -189

Reorder the terms:
105 + -7x + -35x = -189

Combine like terms: -7x + -35x = -42x
105 + -42x = -189

Solving
105 + -42x = -189

Solving for variable 'x'.

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

Add '-105' to each side of the equation.
105 + -105 + -42x = -189 + -105

Combine like terms: 105 + -105 = 0
0 + -42x = -189 + -105
-42x = -189 + -105

Combine like terms: -189 + -105 = -294
-42x = -294

Divide each side by '-42'.
x = 7

Simplifying
x = 7

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