-3x+15x+7=8x+43

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Solution for -3x+15x+7=8x+43 equation:


Simplifying
-3x + 15x + 7 = 8x + 43

Reorder the terms:
7 + -3x + 15x = 8x + 43

Combine like terms: -3x + 15x = 12x
7 + 12x = 8x + 43

Reorder the terms:
7 + 12x = 43 + 8x

Solving
7 + 12x = 43 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
7 + 12x + -8x = 43 + 8x + -8x

Combine like terms: 12x + -8x = 4x
7 + 4x = 43 + 8x + -8x

Combine like terms: 8x + -8x = 0
7 + 4x = 43 + 0
7 + 4x = 43

Add '-7' to each side of the equation.
7 + -7 + 4x = 43 + -7

Combine like terms: 7 + -7 = 0
0 + 4x = 43 + -7
4x = 43 + -7

Combine like terms: 43 + -7 = 36
4x = 36

Divide each side by '4'.
x = 9

Simplifying
x = 9

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