x+(x+1)-(x+2)=18

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Solution for x+(x+1)-(x+2)=18 equation:


Simplifying
x + (x + 1) + -1(x + 2) = 18

Reorder the terms:
x + (1 + x) + -1(x + 2) = 18

Remove parenthesis around (1 + x)
x + 1 + x + -1(x + 2) = 18

Reorder the terms:
x + 1 + x + -1(2 + x) = 18
x + 1 + x + (2 * -1 + x * -1) = 18
x + 1 + x + (-2 + -1x) = 18

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

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

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

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

Solving
-1 + 1x = 18

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 1x = 18 + 1

Combine like terms: -1 + 1 = 0
0 + 1x = 18 + 1
1x = 18 + 1

Combine like terms: 18 + 1 = 19
1x = 19

Divide each side by '1'.
x = 19

Simplifying
x = 19

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