-74+2x+7x=115

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Solution for -74+2x+7x=115 equation:


Simplifying
-74 + 2x + 7x = 115

Combine like terms: 2x + 7x = 9x
-74 + 9x = 115

Solving
-74 + 9x = 115

Solving for variable 'x'.

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

Add '74' to each side of the equation.
-74 + 74 + 9x = 115 + 74

Combine like terms: -74 + 74 = 0
0 + 9x = 115 + 74
9x = 115 + 74

Combine like terms: 115 + 74 = 189
9x = 189

Divide each side by '9'.
x = 21

Simplifying
x = 21

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