7x+6x-9x=21+7

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Solution for 7x+6x-9x=21+7 equation: 


Simplifying
7x + 6x + -9x = 21 + 7

Combine like terms: 7x + 6x = 13x
13x + -9x = 21 + 7

Combine like terms: 13x + -9x = 4x
4x = 21 + 7

Combine like terms: 21 + 7 = 28
4x = 28

Solving
4x = 28

Solving for variable 'x'.

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

Divide each side by '4'.
x = 7

Simplifying
x = 7

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