3x-7+12x=9

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Solution for 3x-7+12x=9 equation:


Simplifying
3x + -7 + 12x = 9

Reorder the terms:
-7 + 3x + 12x = 9

Combine like terms: 3x + 12x = 15x
-7 + 15x = 9

Solving
-7 + 15x = 9

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 15x = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 15x = 9 + 7
15x = 9 + 7

Combine like terms: 9 + 7 = 16
15x = 16

Divide each side by '15'.
x = 1.066666667

Simplifying
x = 1.066666667

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