20-2x+5x+23.5=90

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Solution for 20-2x+5x+23.5=90 equation:


Simplifying
20 + -2x + 5x + 23.5 = 90

Reorder the terms:
20 + 23.5 + -2x + 5x = 90

Combine like terms: 20 + 23.5 = 43.5
43.5 + -2x + 5x = 90

Combine like terms: -2x + 5x = 3x
43.5 + 3x = 90

Solving
43.5 + 3x = 90

Solving for variable 'x'.

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

Add '-43.5' to each side of the equation.
43.5 + -43.5 + 3x = 90 + -43.5

Combine like terms: 43.5 + -43.5 = 0.0
0.0 + 3x = 90 + -43.5
3x = 90 + -43.5

Combine like terms: 90 + -43.5 = 46.5
3x = 46.5

Divide each side by '3'.
x = 15.5

Simplifying
x = 15.5

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