7x+3(2x-4)=131

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Solution for 7x+3(2x-4)=131 equation:


Simplifying
7x + 3(2x + -4) = 131

Reorder the terms:
7x + 3(-4 + 2x) = 131
7x + (-4 * 3 + 2x * 3) = 131
7x + (-12 + 6x) = 131

Reorder the terms:
-12 + 7x + 6x = 131

Combine like terms: 7x + 6x = 13x
-12 + 13x = 131

Solving
-12 + 13x = 131

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 13x = 131 + 12

Combine like terms: -12 + 12 = 0
0 + 13x = 131 + 12
13x = 131 + 12

Combine like terms: 131 + 12 = 143
13x = 143

Divide each side by '13'.
x = 11

Simplifying
x = 11

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