4x+103=9x-12

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Solution for 4x+103=9x-12 equation:


Simplifying
4x + 103 = 9x + -12

Reorder the terms:
103 + 4x = 9x + -12

Reorder the terms:
103 + 4x = -12 + 9x

Solving
103 + 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.
103 + 4x + -9x = -12 + 9x + -9x

Combine like terms: 4x + -9x = -5x
103 + -5x = -12 + 9x + -9x

Combine like terms: 9x + -9x = 0
103 + -5x = -12 + 0
103 + -5x = -12

Add '-103' to each side of the equation.
103 + -103 + -5x = -12 + -103

Combine like terms: 103 + -103 = 0
0 + -5x = -12 + -103
-5x = -12 + -103

Combine like terms: -12 + -103 = -115
-5x = -115

Divide each side by '-5'.
x = 23

Simplifying
x = 23

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