(2x+1)+(x+10)=90

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Solution for (2x+1)+(x+10)=90 equation:


Simplifying
(2x + 1) + (x + 10) = 90

Reorder the terms:
(1 + 2x) + (x + 10) = 90

Remove parenthesis around (1 + 2x)
1 + 2x + (x + 10) = 90

Reorder the terms:
1 + 2x + (10 + x) = 90

Remove parenthesis around (10 + x)
1 + 2x + 10 + x = 90

Reorder the terms:
1 + 10 + 2x + x = 90

Combine like terms: 1 + 10 = 11
11 + 2x + x = 90

Combine like terms: 2x + x = 3x
11 + 3x = 90

Solving
11 + 3x = 90

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 3x = 90 + -11

Combine like terms: 11 + -11 = 0
0 + 3x = 90 + -11
3x = 90 + -11

Combine like terms: 90 + -11 = 79
3x = 79

Divide each side by '3'.
x = 26.33333333

Simplifying
x = 26.33333333

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