12-3=4+(-2x)

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


Simplifying
12 + -3 = 4 + (-2x)

Combine like terms: 12 + -3 = 9
9 = 4 + (-2x)

Solving
9 = 4 + (-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.
9 + (2x) = 4 + (-2x) + (2x)

Combine like terms: (-2x) + (2x) = 0
9 + (2x) = 4 + 0
9 + (2x) = 4

Add '-9' to each side of the equation.
9 + -9 + (2x) = 4 + -9

Combine like terms: 9 + -9 = 0
0 + (2x) = 4 + -9
(2x) = 4 + -9

Combine like terms: 4 + -9 = -5
(2x) = -5

Divide each side by '2'.
x = -2.5

Simplifying
x = -2.5

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