7-2x=8x-(-4x)

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Solution for 7-2x=8x-(-4x) equation:


Simplifying
7 + -2x = 8x + -1(-4x)

Remove parenthesis around (-4x)
7 + -2x = 8x + -1 * -4x

Multiply -1 * -4
7 + -2x = 8x + 4x

Combine like terms: 8x + 4x = 12x
7 + -2x = 12x

Solving
7 + -2x = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
7 + -2x + -12x = 12x + -12x

Combine like terms: -2x + -12x = -14x
7 + -14x = 12x + -12x

Combine like terms: 12x + -12x = 0
7 + -14x = 0

Add '-7' to each side of the equation.
7 + -7 + -14x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -14x = 0 + -7
-14x = 0 + -7

Combine like terms: 0 + -7 = -7
-14x = -7

Divide each side by '-14'.
x = 0.5

Simplifying
x = 0.5

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