4x+9+7x-2=90

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Solution for 4x+9+7x-2=90 equation:


Simplifying
4x + 9 + 7x + -2 = 90

Reorder the terms:
9 + -2 + 4x + 7x = 90

Combine like terms: 9 + -2 = 7
7 + 4x + 7x = 90

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

Solving
7 + 11x = 90

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 11x = 90 + -7

Combine like terms: 7 + -7 = 0
0 + 11x = 90 + -7
11x = 90 + -7

Combine like terms: 90 + -7 = 83
11x = 83

Divide each side by '11'.
x = 7.545454545

Simplifying
x = 7.545454545

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