4x+9+2-9=90

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


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

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

Combine like terms: 9 + 2 = 11
11 + -9 + 4x = 90

Combine like terms: 11 + -9 = 2
2 + 4x = 90

Solving
2 + 4x = 90

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 4x = 90 + -2

Combine like terms: 2 + -2 = 0
0 + 4x = 90 + -2
4x = 90 + -2

Combine like terms: 90 + -2 = 88
4x = 88

Divide each side by '4'.
x = 22

Simplifying
x = 22

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