15x-10x+2x+x-7x=4

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Solution for 15x-10x+2x+x-7x=4 equation: 


Simplifying
15x + -10x + 2x + x + -7x = 4

Combine like terms: 15x + -10x = 5x
5x + 2x + x + -7x = 4

Combine like terms: 5x + 2x = 7x
7x + x + -7x = 4

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

Combine like terms: 8x + -7x = 1x
1x = 4

Solving
1x = 4

Solving for variable 'x'.

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

Divide each side by '1'.
x = 4

Simplifying
x = 4

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