-x-7(6x+6)=30-7x

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Solution for -x-7(6x+6)=30-7x equation:


Simplifying
-1x + -7(6x + 6) = 30 + -7x

Reorder the terms:
-1x + -7(6 + 6x) = 30 + -7x
-1x + (6 * -7 + 6x * -7) = 30 + -7x
-1x + (-42 + -42x) = 30 + -7x

Reorder the terms:
-42 + -1x + -42x = 30 + -7x

Combine like terms: -1x + -42x = -43x
-42 + -43x = 30 + -7x

Solving
-42 + -43x = 30 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-42 + -43x + 7x = 30 + -7x + 7x

Combine like terms: -43x + 7x = -36x
-42 + -36x = 30 + -7x + 7x

Combine like terms: -7x + 7x = 0
-42 + -36x = 30 + 0
-42 + -36x = 30

Add '42' to each side of the equation.
-42 + 42 + -36x = 30 + 42

Combine like terms: -42 + 42 = 0
0 + -36x = 30 + 42
-36x = 30 + 42

Combine like terms: 30 + 42 = 72
-36x = 72

Divide each side by '-36'.
x = -2

Simplifying
x = -2

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