x+8+2x-2+x+1=90

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Solution for x+8+2x-2+x+1=90 equation:


Simplifying
x + 8 + 2x + -2 + x + 1 = 90

Reorder the terms:
8 + -2 + 1 + x + 2x + x = 90

Combine like terms: 8 + -2 = 6
6 + 1 + x + 2x + x = 90

Combine like terms: 6 + 1 = 7
7 + x + 2x + x = 90

Combine like terms: x + 2x = 3x
7 + 3x + x = 90

Combine like terms: 3x + x = 4x
7 + 4x = 90

Solving
7 + 4x = 90

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 4x = 90 + -7

Combine like terms: 7 + -7 = 0
0 + 4x = 90 + -7
4x = 90 + -7

Combine like terms: 90 + -7 = 83
4x = 83

Divide each side by '4'.
x = 20.75

Simplifying
x = 20.75

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