5x-(7x+7)=5x-42

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Solution for 5x-(7x+7)=5x-42 equation:


Simplifying
5x + -1(7x + 7) = 5x + -42

Reorder the terms:
5x + -1(7 + 7x) = 5x + -42
5x + (7 * -1 + 7x * -1) = 5x + -42
5x + (-7 + -7x) = 5x + -42

Reorder the terms:
-7 + 5x + -7x = 5x + -42

Combine like terms: 5x + -7x = -2x
-7 + -2x = 5x + -42

Reorder the terms:
-7 + -2x = -42 + 5x

Solving
-7 + -2x = -42 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-7 + -2x + -5x = -42 + 5x + -5x

Combine like terms: -2x + -5x = -7x
-7 + -7x = -42 + 5x + -5x

Combine like terms: 5x + -5x = 0
-7 + -7x = -42 + 0
-7 + -7x = -42

Add '7' to each side of the equation.
-7 + 7 + -7x = -42 + 7

Combine like terms: -7 + 7 = 0
0 + -7x = -42 + 7
-7x = -42 + 7

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

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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