3x+7(2x-8)=12

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Solution for 3x+7(2x-8)=12 equation:


Simplifying
3x + 7(2x + -8) = 12

Reorder the terms:
3x + 7(-8 + 2x) = 12
3x + (-8 * 7 + 2x * 7) = 12
3x + (-56 + 14x) = 12

Reorder the terms:
-56 + 3x + 14x = 12

Combine like terms: 3x + 14x = 17x
-56 + 17x = 12

Solving
-56 + 17x = 12

Solving for variable 'x'.

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

Add '56' to each side of the equation.
-56 + 56 + 17x = 12 + 56

Combine like terms: -56 + 56 = 0
0 + 17x = 12 + 56
17x = 12 + 56

Combine like terms: 12 + 56 = 68
17x = 68

Divide each side by '17'.
x = 4

Simplifying
x = 4

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