3(-6+7x)=171

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Solution for 3(-6+7x)=171 equation: 


Simplifying
3(-6 + 7x) = 171
(-6 * 3 + 7x * 3) = 171
(-18 + 21x) = 171

Solving
-18 + 21x = 171

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 21x = 171 + 18

Combine like terms: -18 + 18 = 0
0 + 21x = 171 + 18
21x = 171 + 18

Combine like terms: 171 + 18 = 189
21x = 189

Divide each side by '21'.
x = 9

Simplifying
x = 9

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