6x+15+21=

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Solution for 6x+15+21= equation:


Simplifying
6x + 15 + 21 = 0

Reorder the terms:
15 + 21 + 6x = 0

Combine like terms: 15 + 21 = 36
36 + 6x = 0

Solving
36 + 6x = 0

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 6x = 0 + -36

Combine like terms: 36 + -36 = 0
0 + 6x = 0 + -36
6x = 0 + -36

Combine like terms: 0 + -36 = -36
6x = -36

Divide each side by '6'.
x = -6

Simplifying
x = -6

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