12=-4(5-2x)

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


Simplifying
12 = -4(5 + -2x)
12 = (5 * -4 + -2x * -4)
12 = (-20 + 8x)

Solving
12 = -20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
12 + -8x = -20 + 8x + -8x

Combine like terms: 8x + -8x = 0
12 + -8x = -20 + 0
12 + -8x = -20

Add '-12' to each side of the equation.
12 + -12 + -8x = -20 + -12

Combine like terms: 12 + -12 = 0
0 + -8x = -20 + -12
-8x = -20 + -12

Combine like terms: -20 + -12 = -32
-8x = -32

Divide each side by '-8'.
x = 4

Simplifying
x = 4

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