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

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


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

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

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

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

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

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

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

Solving
11 + 1x = 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 + 1x = 90 + -11

Combine like terms: 11 + -11 = 0
0 + 1x = 90 + -11
1x = 90 + -11

Combine like terms: 90 + -11 = 79
1x = 79

Divide each side by '1'.
x = 79

Simplifying
x = 79

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