7-6(a+1)=8+a

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Solution for 7-6(a+1)=8+a equation:


Simplifying
7 + -6(a + 1) = 8 + a

Reorder the terms:
7 + -6(1 + a) = 8 + a
7 + (1 * -6 + a * -6) = 8 + a
7 + (-6 + -6a) = 8 + a

Combine like terms: 7 + -6 = 1
1 + -6a = 8 + a

Solving
1 + -6a = 8 + a

Solving for variable 'a'.

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

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

Combine like terms: -6a + -1a = -7a
1 + -7a = 8 + a + -1a

Combine like terms: a + -1a = 0
1 + -7a = 8 + 0
1 + -7a = 8

Add '-1' to each side of the equation.
1 + -1 + -7a = 8 + -1

Combine like terms: 1 + -1 = 0
0 + -7a = 8 + -1
-7a = 8 + -1

Combine like terms: 8 + -1 = 7
-7a = 7

Divide each side by '-7'.
a = -1

Simplifying
a = -1

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