-151+7x+2x=56

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Solution for -151+7x+2x=56 equation: 


Simplifying
-151 + 7x + 2x = 56

Combine like terms: 7x + 2x = 9x
-151 + 9x = 56

Solving
-151 + 9x = 56

Solving for variable 'x'.

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

Add '151' to each side of the equation.
-151 + 151 + 9x = 56 + 151

Combine like terms: -151 + 151 = 0
0 + 9x = 56 + 151
9x = 56 + 151

Combine like terms: 56 + 151 = 207
9x = 207

Divide each side by '9'.
x = 23

Simplifying
x = 23

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