12(7x+9)-5x=345

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Solution for 12(7x+9)-5x=345 equation:


Simplifying
12(7x + 9) + -5x = 345

Reorder the terms:
12(9 + 7x) + -5x = 345
(9 * 12 + 7x * 12) + -5x = 345
(108 + 84x) + -5x = 345

Combine like terms: 84x + -5x = 79x
108 + 79x = 345

Solving
108 + 79x = 345

Solving for variable 'x'.

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

Add '-108' to each side of the equation.
108 + -108 + 79x = 345 + -108

Combine like terms: 108 + -108 = 0
0 + 79x = 345 + -108
79x = 345 + -108

Combine like terms: 345 + -108 = 237
79x = 237

Divide each side by '79'.
x = 3

Simplifying
x = 3

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