7-(x+1)=9-(2x+1)

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Solution for 7-(x+1)=9-(2x+1) equation:


Simplifying
7 + -1(x + 1) = 9 + -1(2x + 1)

Reorder the terms:
7 + -1(1 + x) = 9 + -1(2x + 1)
7 + (1 * -1 + x * -1) = 9 + -1(2x + 1)
7 + (-1 + -1x) = 9 + -1(2x + 1)

Combine like terms: 7 + -1 = 6
6 + -1x = 9 + -1(2x + 1)

Reorder the terms:
6 + -1x = 9 + -1(1 + 2x)
6 + -1x = 9 + (1 * -1 + 2x * -1)
6 + -1x = 9 + (-1 + -2x)

Combine like terms: 9 + -1 = 8
6 + -1x = 8 + -2x

Solving
6 + -1x = 8 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
6 + -1x + 2x = 8 + -2x + 2x

Combine like terms: -1x + 2x = 1x
6 + 1x = 8 + -2x + 2x

Combine like terms: -2x + 2x = 0
6 + 1x = 8 + 0
6 + 1x = 8

Add '-6' to each side of the equation.
6 + -6 + 1x = 8 + -6

Combine like terms: 6 + -6 = 0
0 + 1x = 8 + -6
1x = 8 + -6

Combine like terms: 8 + -6 = 2
1x = 2

Divide each side by '1'.
x = 2

Simplifying
x = 2

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