-2a+7-a=a-8

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


Simplifying
-2a + 7 + -1a = a + -8

Reorder the terms:
7 + -2a + -1a = a + -8

Combine like terms: -2a + -1a = -3a
7 + -3a = a + -8

Reorder the terms:
7 + -3a = -8 + a

Solving
7 + -3a = -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.
7 + -3a + -1a = -8 + a + -1a

Combine like terms: -3a + -1a = -4a
7 + -4a = -8 + a + -1a

Combine like terms: a + -1a = 0
7 + -4a = -8 + 0
7 + -4a = -8

Add '-7' to each side of the equation.
7 + -7 + -4a = -8 + -7

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

Combine like terms: -8 + -7 = -15
-4a = -15

Divide each side by '-4'.
a = 3.75

Simplifying
a = 3.75

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