6x-12+15x+30=

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Solution for 6x-12+15x+30= equation:


Simplifying
6x + -12 + 15x + 30 = 0

Reorder the terms:
-12 + 30 + 6x + 15x = 0

Combine like terms: -12 + 30 = 18
18 + 6x + 15x = 0

Combine like terms: 6x + 15x = 21x
18 + 21x = 0

Solving
18 + 21x = 0

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 21x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 21x = 0 + -18
21x = 0 + -18

Combine like terms: 0 + -18 = -18
21x = -18

Divide each side by '21'.
x = -0.8571428571

Simplifying
x = -0.8571428571

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