3(9x-4)-31=146

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Solution for 3(9x-4)-31=146 equation:


Simplifying
3(9x + -4) + -31 = 146

Reorder the terms:
3(-4 + 9x) + -31 = 146
(-4 * 3 + 9x * 3) + -31 = 146
(-12 + 27x) + -31 = 146

Reorder the terms:
-12 + -31 + 27x = 146

Combine like terms: -12 + -31 = -43
-43 + 27x = 146

Solving
-43 + 27x = 146

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + 27x = 146 + 43

Combine like terms: -43 + 43 = 0
0 + 27x = 146 + 43
27x = 146 + 43

Combine like terms: 146 + 43 = 189
27x = 189

Divide each side by '27'.
x = 7

Simplifying
x = 7

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