5x+9=-4x-18

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Solution for 5x+9=-4x-18 equation:


Simplifying
5x + 9 = -4x + -18

Reorder the terms:
9 + 5x = -4x + -18

Reorder the terms:
9 + 5x = -18 + -4x

Solving
9 + 5x = -18 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
9 + 5x + 4x = -18 + -4x + 4x

Combine like terms: 5x + 4x = 9x
9 + 9x = -18 + -4x + 4x

Combine like terms: -4x + 4x = 0
9 + 9x = -18 + 0
9 + 9x = -18

Add '-9' to each side of the equation.
9 + -9 + 9x = -18 + -9

Combine like terms: 9 + -9 = 0
0 + 9x = -18 + -9
9x = -18 + -9

Combine like terms: -18 + -9 = -27
9x = -27

Divide each side by '9'.
x = -3

Simplifying
x = -3

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