2(3x+7)-4x-5=31

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Solution for 2(3x+7)-4x-5=31 equation:


Simplifying
2(3x + 7) + -4x + -5 = 31

Reorder the terms:
2(7 + 3x) + -4x + -5 = 31
(7 * 2 + 3x * 2) + -4x + -5 = 31
(14 + 6x) + -4x + -5 = 31

Reorder the terms:
14 + -5 + 6x + -4x = 31

Combine like terms: 14 + -5 = 9
9 + 6x + -4x = 31

Combine like terms: 6x + -4x = 2x
9 + 2x = 31

Solving
9 + 2x = 31

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 31 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 31 + -9
2x = 31 + -9

Combine like terms: 31 + -9 = 22
2x = 22

Divide each side by '2'.
x = 11

Simplifying
x = 11

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