-42-15x=-9x

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Solution for -42-15x=-9x equation:


Simplifying
-42 + -15x = -9x

Solving
-42 + -15x = -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-42 + -15x + 9x = -9x + 9x

Combine like terms: -15x + 9x = -6x
-42 + -6x = -9x + 9x

Combine like terms: -9x + 9x = 0
-42 + -6x = 0

Add '42' to each side of the equation.
-42 + 42 + -6x = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -6x = 0 + 42
-6x = 0 + 42

Combine like terms: 0 + 42 = 42
-6x = 42

Divide each side by '-6'.
x = -7

Simplifying
x = -7

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