12=-2x+5+4x

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Solution for 12=-2x+5+4x equation:


Simplifying
12 = -2x + 5 + 4x

Reorder the terms:
12 = 5 + -2x + 4x

Combine like terms: -2x + 4x = 2x
12 = 5 + 2x

Solving
12 = 5 + 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.
12 + -2x = 5 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + -2x = 5 + 0
12 + -2x = 5

Add '-12' to each side of the equation.
12 + -12 + -2x = 5 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = 5 + -12
-2x = 5 + -12

Combine like terms: 5 + -12 = -7
-2x = -7

Divide each side by '-2'.
x = 3.5

Simplifying
x = 3.5

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