5x-3=15x-123

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Solution for 5x-3=15x-123 equation:


Simplifying
5x + -3 = 15x + -123

Reorder the terms:
-3 + 5x = 15x + -123

Reorder the terms:
-3 + 5x = -123 + 15x

Solving
-3 + 5x = -123 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-3 + 5x + -15x = -123 + 15x + -15x

Combine like terms: 5x + -15x = -10x
-3 + -10x = -123 + 15x + -15x

Combine like terms: 15x + -15x = 0
-3 + -10x = -123 + 0
-3 + -10x = -123

Add '3' to each side of the equation.
-3 + 3 + -10x = -123 + 3

Combine like terms: -3 + 3 = 0
0 + -10x = -123 + 3
-10x = -123 + 3

Combine like terms: -123 + 3 = -120
-10x = -120

Divide each side by '-10'.
x = 12

Simplifying
x = 12

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