9+7x+4x=-90

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Solution for 9+7x+4x=-90 equation: 


Simplifying
9 + 7x + 4x = -90

Combine like terms: 7x + 4x = 11x
9 + 11x = -90

Solving
9 + 11x = -90

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 11x = -90 + -9

Combine like terms: 9 + -9 = 0
0 + 11x = -90 + -9
11x = -90 + -9

Combine like terms: -90 + -9 = -99
11x = -99

Divide each side by '11'.
x = -9

Simplifying
x = -9

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