[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 brackets around [1 + 2x]
1 + 2x + [x + -10] = 90

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

Remove brackets around [-10 + x]
1 + 2x + -10 + x = 90

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

Combine like terms: 1 + -10 = -9
-9 + 2x + x = 90

Combine like terms: 2x + x = 3x
-9 + 3x = 90

Solving
-9 + 3x = 90

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 3x = 90 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 90 + 9
3x = 90 + 9

Combine like terms: 90 + 9 = 99
3x = 99

Divide each side by '3'.
x = 33

Simplifying
x = 33

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