3a-8=7-2a

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Solution for 3a-8=7-2a equation:


Simplifying
3a + -8 = 7 + -2a

Reorder the terms:
-8 + 3a = 7 + -2a

Solving
-8 + 3a = 7 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-8 + 3a + 2a = 7 + -2a + 2a

Combine like terms: 3a + 2a = 5a
-8 + 5a = 7 + -2a + 2a

Combine like terms: -2a + 2a = 0
-8 + 5a = 7 + 0
-8 + 5a = 7

Add '8' to each side of the equation.
-8 + 8 + 5a = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 5a = 7 + 8
5a = 7 + 8

Combine like terms: 7 + 8 = 15
5a = 15

Divide each side by '5'.
a = 3

Simplifying
a = 3

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