8-2(a+2)-7+a=

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Solution for 8-2(a+2)-7+a= equation:


Simplifying
8 + -2(a + 2) + -7 + a = 0

Reorder the terms:
8 + -2(2 + a) + -7 + a = 0
8 + (2 * -2 + a * -2) + -7 + a = 0
8 + (-4 + -2a) + -7 + a = 0

Reorder the terms:
8 + -4 + -7 + -2a + a = 0

Combine like terms: 8 + -4 = 4
4 + -7 + -2a + a = 0

Combine like terms: 4 + -7 = -3
-3 + -2a + a = 0

Combine like terms: -2a + a = -1a
-3 + -1a = 0

Solving
-3 + -1a = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + -1a = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -1a = 0 + 3
-1a = 0 + 3

Combine like terms: 0 + 3 = 3
-1a = 3

Divide each side by '-1'.
a = -3

Simplifying
a = -3

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