7x+45=129

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Solution for 7x+45=129 equation: 


Simplifying
7x + 45 = 129

Reorder the terms:
45 + 7x = 129

Solving
45 + 7x = 129

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + 7x = 129 + -45

Combine like terms: 45 + -45 = 0
0 + 7x = 129 + -45
7x = 129 + -45

Combine like terms: 129 + -45 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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