a+1=7-a

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Solution for a+1=7-a equation:


Simplifying
a + 1 = 7 + -1a

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

Solving
1 + a = 7 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
1 + a + a = 7 + -1a + a

Combine like terms: a + a = 2a
1 + 2a = 7 + -1a + a

Combine like terms: -1a + a = 0
1 + 2a = 7 + 0
1 + 2a = 7

Add '-1' to each side of the equation.
1 + -1 + 2a = 7 + -1

Combine like terms: 1 + -1 = 0
0 + 2a = 7 + -1
2a = 7 + -1

Combine like terms: 7 + -1 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3

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