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

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


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

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

Remove parenthesis around (1 + x)
1 + x + (x + -1) = 7

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

Remove parenthesis around (-1 + x)
1 + x + -1 + x = 7

Reorder the terms:
1 + -1 + x + x = 7

Combine like terms: 1 + -1 = 0
0 + x + x = 7
x + x = 7

Combine like terms: x + x = 2x
2x = 7

Solving
2x = 7

Solving for variable 'x'.

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

Divide each side by '2'.
x = 3.5

Simplifying
x = 3.5

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