8x-(4x-12)=40

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Solution for 8x-(4x-12)=40 equation:


Simplifying
8x + -1(4x + -12) = 40

Reorder the terms:
8x + -1(-12 + 4x) = 40
8x + (-12 * -1 + 4x * -1) = 40
8x + (12 + -4x) = 40

Reorder the terms:
12 + 8x + -4x = 40

Combine like terms: 8x + -4x = 4x
12 + 4x = 40

Solving
12 + 4x = 40

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 + 4x = 40 + -12

Combine like terms: 12 + -12 = 0
0 + 4x = 40 + -12
4x = 40 + -12

Combine like terms: 40 + -12 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

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