2x-1+8=18

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Solution for 2x-1+8=18 equation: 


Simplifying
2x + -1 + 8 = 18

Reorder the terms:
-1 + 8 + 2x = 18

Combine like terms: -1 + 8 = 7
7 + 2x = 18

Solving
7 + 2x = 18

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 + 2x = 18 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 18 + -7
2x = 18 + -7

Combine like terms: 18 + -7 = 11
2x = 11

Divide each side by '2'.
x = 5.5

Simplifying
x = 5.5

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