3*4-20=-2x

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Solution for 3*4-20=-2x equation:


Simplifying
3 * 4 + -20 = -2x

Multiply 3 * 4
12 + -20 = -2x

Combine like terms: 12 + -20 = -8
-8 = -2x

Solving
-8 = -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-8 + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
-8 + 2x = 0

Add '8' to each side of the equation.
-8 + 8 + 2x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 0 + 8
2x = 0 + 8

Combine like terms: 0 + 8 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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