3a-8-7a=8

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Solution for 3a-8-7a=8 equation:


Simplifying
3a + -8 + -7a = 8

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

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

Solving
-8 + -4a = 8

Solving for variable 'a'.

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

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

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

Combine like terms: 8 + 8 = 16
-4a = 16

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

Simplifying
a = -4

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