2(x-1)+1=x+8

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Solution for 2(x-1)+1=x+8 equation: 


Simplifying
2(x + -1) + 1 = x + 8

Reorder the terms:
2(-1 + x) + 1 = x + 8
(-1 * 2 + x * 2) + 1 = x + 8
(-2 + 2x) + 1 = x + 8

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

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

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

Solving
-1 + 2x = 8 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-1 + 2x + -1x = 8 + x + -1x

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

Combine like terms: x + -1x = 0
-1 + 1x = 8 + 0
-1 + 1x = 8

Add '1' to each side of the equation.
-1 + 1 + 1x = 8 + 1

Combine like terms: -1 + 1 = 0
0 + 1x = 8 + 1
1x = 8 + 1

Combine like terms: 8 + 1 = 9
1x = 9

Divide each side by '1'.
x = 9

Simplifying
x = 9

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