1+2x+8+X=90

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


Simplifying
1 + 2x + 8 + X = 90

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

Combine like terms: 1 + 8 = 9
9 + X + 2x = 90

Solving
9 + X + 2x = 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 + X + -9 + 2x = 90 + -9

Reorder the terms:
9 + -9 + X + 2x = 90 + -9

Combine like terms: 9 + -9 = 0
0 + X + 2x = 90 + -9
X + 2x = 90 + -9

Combine like terms: 90 + -9 = 81
X + 2x = 81

Add '-2x' to each side of the equation.
X + 2x + -2x = 81 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 81 + -2x
X = 81 + -2x

Simplifying
X = 81 + -2x

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