-3x+5x+7=15

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Solution for -3x+5x+7=15 equation: 


Simplifying
-3x + 5x + 7 = 15

Reorder the terms:
7 + -3x + 5x = 15

Combine like terms: -3x + 5x = 2x
7 + 2x = 15

Solving
7 + 2x = 15

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 2x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 15 + -7
2x = 15 + -7

Combine like terms: 15 + -7 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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