5x+9-3x+12=79

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Solution for 5x+9-3x+12=79 equation:


Simplifying
5x + 9 + -3x + 12 = 79

Reorder the terms:
9 + 12 + 5x + -3x = 79

Combine like terms: 9 + 12 = 21
21 + 5x + -3x = 79

Combine like terms: 5x + -3x = 2x
21 + 2x = 79

Solving
21 + 2x = 79

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 2x = 79 + -21

Combine like terms: 21 + -21 = 0
0 + 2x = 79 + -21
2x = 79 + -21

Combine like terms: 79 + -21 = 58
2x = 58

Divide each side by '2'.
x = 29

Simplifying
x = 29

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