4x+15=-9x

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Solution for 4x+15=-9x equation:


Simplifying
4x + 15 = -9x

Reorder the terms:
15 + 4x = -9x

Solving
15 + 4x = -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.
15 + 4x + 9x = -9x + 9x

Combine like terms: 4x + 9x = 13x
15 + 13x = -9x + 9x

Combine like terms: -9x + 9x = 0
15 + 13x = 0

Add '-15' to each side of the equation.
15 + -15 + 13x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 13x = 0 + -15
13x = 0 + -15

Combine like terms: 0 + -15 = -15
13x = -15

Divide each side by '13'.
x = -1.153846154

Simplifying
x = -1.153846154

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