8a-7=3a+13

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Solution for 8a-7=3a+13 equation:


Simplifying
8a + -7 = 3a + 13

Reorder the terms:
-7 + 8a = 3a + 13

Reorder the terms:
-7 + 8a = 13 + 3a

Solving
-7 + 8a = 13 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-7 + 8a + -3a = 13 + 3a + -3a

Combine like terms: 8a + -3a = 5a
-7 + 5a = 13 + 3a + -3a

Combine like terms: 3a + -3a = 0
-7 + 5a = 13 + 0
-7 + 5a = 13

Add '7' to each side of the equation.
-7 + 7 + 5a = 13 + 7

Combine like terms: -7 + 7 = 0
0 + 5a = 13 + 7
5a = 13 + 7

Combine like terms: 13 + 7 = 20
5a = 20

Divide each side by '5'.
a = 4

Simplifying
a = 4

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