-4+2x+7x=68

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Solution for -4+2x+7x=68 equation: 


Simplifying
-4 + 2x + 7x = 68

Combine like terms: 2x + 7x = 9x
-4 + 9x = 68

Solving
-4 + 9x = 68

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 9x = 68 + 4

Combine like terms: -4 + 4 = 0
0 + 9x = 68 + 4
9x = 68 + 4

Combine like terms: 68 + 4 = 72
9x = 72

Divide each side by '9'.
x = 8

Simplifying
x = 8

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