6-(x+1)=9

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Solution for 6-(x+1)=9 equation:


Simplifying
6 + -1(x + 1) = 9

Reorder the terms:
6 + -1(1 + x) = 9
6 + (1 * -1 + x * -1) = 9
6 + (-1 + -1x) = 9

Combine like terms: 6 + -1 = 5
5 + -1x = 9

Solving
5 + -1x = 9

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -1x = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 9 + -5
-1x = 9 + -5

Combine like terms: 9 + -5 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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