4x+57=9x+12

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Solution for 4x+57=9x+12 equation:


Simplifying
4x + 57 = 9x + 12

Reorder the terms:
57 + 4x = 9x + 12

Reorder the terms:
57 + 4x = 12 + 9x

Solving
57 + 4x = 12 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
57 + 4x + -9x = 12 + 9x + -9x

Combine like terms: 4x + -9x = -5x
57 + -5x = 12 + 9x + -9x

Combine like terms: 9x + -9x = 0
57 + -5x = 12 + 0
57 + -5x = 12

Add '-57' to each side of the equation.
57 + -57 + -5x = 12 + -57

Combine like terms: 57 + -57 = 0
0 + -5x = 12 + -57
-5x = 12 + -57

Combine like terms: 12 + -57 = -45
-5x = -45

Divide each side by '-5'.
x = 9

Simplifying
x = 9

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