12=7-3x+5x

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Solution for 12=7-3x+5x equation:


Simplifying
12 = 7 + -3x + 5x

Combine like terms: -3x + 5x = 2x
12 = 7 + 2x

Solving
12 = 7 + 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 = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + -2x = 7 + 0
12 + -2x = 7

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

Combine like terms: 12 + -12 = 0
0 + -2x = 7 + -12
-2x = 7 + -12

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

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

Simplifying
x = 2.5

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