4x+12=45+7x

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Solution for 4x+12=45+7x equation:


Simplifying
4x + 12 = 45 + 7x

Reorder the terms:
12 + 4x = 45 + 7x

Solving
12 + 4x = 45 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12 + 4x + -7x = 45 + 7x + -7x

Combine like terms: 4x + -7x = -3x
12 + -3x = 45 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -3x = 45 + 0
12 + -3x = 45

Add '-12' to each side of the equation.
12 + -12 + -3x = 45 + -12

Combine like terms: 12 + -12 = 0
0 + -3x = 45 + -12
-3x = 45 + -12

Combine like terms: 45 + -12 = 33
-3x = 33

Divide each side by '-3'.
x = -11

Simplifying
x = -11

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