12x+3x-7=10x+8

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Solution for 12x+3x-7=10x+8 equation:


Simplifying
12x + 3x + -7 = 10x + 8

Reorder the terms:
-7 + 12x + 3x = 10x + 8

Combine like terms: 12x + 3x = 15x
-7 + 15x = 10x + 8

Reorder the terms:
-7 + 15x = 8 + 10x

Solving
-7 + 15x = 8 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-7 + 15x + -10x = 8 + 10x + -10x

Combine like terms: 15x + -10x = 5x
-7 + 5x = 8 + 10x + -10x

Combine like terms: 10x + -10x = 0
-7 + 5x = 8 + 0
-7 + 5x = 8

Add '7' to each side of the equation.
-7 + 7 + 5x = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 5x = 8 + 7
5x = 8 + 7

Combine like terms: 8 + 7 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

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