21x+9x=9-13

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Solution for 21x+9x=9-13 equation: 


Simplifying
21x + 9x = 9 + -13

Combine like terms: 21x + 9x = 30x
30x = 9 + -13

Combine like terms: 9 + -13 = -4
30x = -4

Solving
30x = -4

Solving for variable 'x'.

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

Divide each side by '30'.
x = -0.1333333333

Simplifying
x = -0.1333333333

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