12x+7=15x-5

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Solution for 12x+7=15x-5 equation:


Simplifying
12x + 7 = 15x + -5

Reorder the terms:
7 + 12x = 15x + -5

Reorder the terms:
7 + 12x = -5 + 15x

Solving
7 + 12x = -5 + 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.
7 + 12x + -15x = -5 + 15x + -15x

Combine like terms: 12x + -15x = -3x
7 + -3x = -5 + 15x + -15x

Combine like terms: 15x + -15x = 0
7 + -3x = -5 + 0
7 + -3x = -5

Add '-7' to each side of the equation.
7 + -7 + -3x = -5 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = -5 + -7
-3x = -5 + -7

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

Divide each side by '-3'.
x = 4

Simplifying
x = 4

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