4x+3(3x-4x)-(5+7)2=12

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Solution for 4x+3(3x-4x)-(5+7)2=12 equation:


Simplifying
4x + 3(3x + -4x) + -1(5 + 7) * 2 = 12

Combine like terms: 3x + -4x = -1x
4x + 3(-1x) + -1(5 + 7) * 2 = 12

Remove parenthesis around (-1x)
4x + 3 * -1x + -1(5 + 7) * 2 = 12

Multiply 3 * -1
4x + -3x + -1(5 + 7) * 2 = 12

Combine like terms: 5 + 7 = 12
4x + -3x + -1(12) * 2 = 12

Multiply -1 * 12
4x + -3x + -12 * 2 = 12

Multiply -12 * 2
4x + -3x + -24 = 12

Reorder the terms:
-24 + 4x + -3x = 12

Combine like terms: 4x + -3x = 1x
-24 + 1x = 12

Solving
-24 + 1x = 12

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 1x = 12 + 24

Combine like terms: -24 + 24 = 0
0 + 1x = 12 + 24
1x = 12 + 24

Combine like terms: 12 + 24 = 36
1x = 36

Divide each side by '1'.
x = 36

Simplifying
x = 36

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