27+2x+x=90

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Solution for 27+2x+x=90 equation: 


Simplifying
27 + 2x + x = 90

Combine like terms: 2x + x = 3x
27 + 3x = 90

Solving
27 + 3x = 90

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 3x = 90 + -27

Combine like terms: 27 + -27 = 0
0 + 3x = 90 + -27
3x = 90 + -27

Combine like terms: 90 + -27 = 63
3x = 63

Divide each side by '3'.
x = 21

Simplifying
x = 21

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