(4x+9)=90

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Solution for (4x+9)=90 equation:


Simplifying
(4x + 9) = 90

Reorder the terms:
(9 + 4x) = 90

Remove parenthesis around (9 + 4x)
9 + 4x = 90

Solving
9 + 4x = 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 + 4x = 90 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = 90 + -9
4x = 90 + -9

Combine like terms: 90 + -9 = 81
4x = 81

Divide each side by '4'.
x = 20.25

Simplifying
x = 20.25

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