8a-7=3a+15

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Solution for 8a-7=3a+15 equation:


Simplifying
8a + -7 = 3a + 15

Reorder the terms:
-7 + 8a = 3a + 15

Reorder the terms:
-7 + 8a = 15 + 3a

Solving
-7 + 8a = 15 + 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 = 15 + 3a + -3a

Combine like terms: 8a + -3a = 5a
-7 + 5a = 15 + 3a + -3a

Combine like terms: 3a + -3a = 0
-7 + 5a = 15 + 0
-7 + 5a = 15

Add '7' to each side of the equation.
-7 + 7 + 5a = 15 + 7

Combine like terms: -7 + 7 = 0
0 + 5a = 15 + 7
5a = 15 + 7

Combine like terms: 15 + 7 = 22
5a = 22

Divide each side by '5'.
a = 4.4

Simplifying
a = 4.4

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