-(x+7)-3(1+x)=-12x+7x

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Solution for -(x+7)-3(1+x)=-12x+7x equation:


Simplifying
-1(x + 7) + -3(1 + x) = -12x + 7x

Reorder the terms:
-1(7 + x) + -3(1 + x) = -12x + 7x
(7 * -1 + x * -1) + -3(1 + x) = -12x + 7x
(-7 + -1x) + -3(1 + x) = -12x + 7x
-7 + -1x + (1 * -3 + x * -3) = -12x + 7x
-7 + -1x + (-3 + -3x) = -12x + 7x

Reorder the terms:
-7 + -3 + -1x + -3x = -12x + 7x

Combine like terms: -7 + -3 = -10
-10 + -1x + -3x = -12x + 7x

Combine like terms: -1x + -3x = -4x
-10 + -4x = -12x + 7x

Combine like terms: -12x + 7x = -5x
-10 + -4x = -5x

Solving
-10 + -4x = -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.
-10 + -4x + 5x = -5x + 5x

Combine like terms: -4x + 5x = 1x
-10 + 1x = -5x + 5x

Combine like terms: -5x + 5x = 0
-10 + 1x = 0

Add '10' to each side of the equation.
-10 + 10 + 1x = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 1x = 0 + 10
1x = 0 + 10

Combine like terms: 0 + 10 = 10
1x = 10

Divide each side by '1'.
x = 10

Simplifying
x = 10

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