-2(3x+4)=31-7x

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Solution for -2(3x+4)=31-7x equation:


Simplifying
-2(3x + 4) = 31 + -7x

Reorder the terms:
-2(4 + 3x) = 31 + -7x
(4 * -2 + 3x * -2) = 31 + -7x
(-8 + -6x) = 31 + -7x

Solving
-8 + -6x = 31 + -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.
-8 + -6x + 7x = 31 + -7x + 7x

Combine like terms: -6x + 7x = 1x
-8 + 1x = 31 + -7x + 7x

Combine like terms: -7x + 7x = 0
-8 + 1x = 31 + 0
-8 + 1x = 31

Add '8' to each side of the equation.
-8 + 8 + 1x = 31 + 8

Combine like terms: -8 + 8 = 0
0 + 1x = 31 + 8
1x = 31 + 8

Combine like terms: 31 + 8 = 39
1x = 39

Divide each side by '1'.
x = 39

Simplifying
x = 39

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