8a-45=3a+15

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Solution for 8a-45=3a+15 equation:


Simplifying
8a + -45 = 3a + 15

Reorder the terms:
-45 + 8a = 3a + 15

Reorder the terms:
-45 + 8a = 15 + 3a

Solving
-45 + 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.
-45 + 8a + -3a = 15 + 3a + -3a

Combine like terms: 8a + -3a = 5a
-45 + 5a = 15 + 3a + -3a

Combine like terms: 3a + -3a = 0
-45 + 5a = 15 + 0
-45 + 5a = 15

Add '45' to each side of the equation.
-45 + 45 + 5a = 15 + 45

Combine like terms: -45 + 45 = 0
0 + 5a = 15 + 45
5a = 15 + 45

Combine like terms: 15 + 45 = 60
5a = 60

Divide each side by '5'.
a = 12

Simplifying
a = 12

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