(2x+1)+(x-1)=90

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Solution for (2x+1)+(x-1)=90 equation:


Simplifying
(2x + 1) + (x + -1) = 90

Reorder the terms:
(1 + 2x) + (x + -1) = 90

Remove parenthesis around (1 + 2x)
1 + 2x + (x + -1) = 90

Reorder the terms:
1 + 2x + (-1 + x) = 90

Remove parenthesis around (-1 + x)
1 + 2x + -1 + x = 90

Reorder the terms:
1 + -1 + 2x + x = 90

Combine like terms: 1 + -1 = 0
0 + 2x + x = 90
2x + x = 90

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

Solving
3x = 90

Solving for variable 'x'.

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

Divide each side by '3'.
x = 30

Simplifying
x = 30

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