6x+9=-42-7x

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Solution for 6x+9=-42-7x equation:


Simplifying
6x + 9 = -42 + -7x

Reorder the terms:
9 + 6x = -42 + -7x

Solving
9 + 6x = -42 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
9 + 6x + 7x = -42 + -7x + 7x

Combine like terms: 6x + 7x = 13x
9 + 13x = -42 + -7x + 7x

Combine like terms: -7x + 7x = 0
9 + 13x = -42 + 0
9 + 13x = -42

Add '-9' to each side of the equation.
9 + -9 + 13x = -42 + -9

Combine like terms: 9 + -9 = 0
0 + 13x = -42 + -9
13x = -42 + -9

Combine like terms: -42 + -9 = -51
13x = -51

Divide each side by '13'.
x = -3.923076923

Simplifying
x = -3.923076923

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