3a-12+5a=79-10

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Solution for 3a-12+5a=79-10 equation:


Simplifying
3a + -12 + 5a = 79 + -10

Reorder the terms:
-12 + 3a + 5a = 79 + -10

Combine like terms: 3a + 5a = 8a
-12 + 8a = 79 + -10

Combine like terms: 79 + -10 = 69
-12 + 8a = 69

Solving
-12 + 8a = 69

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 8a = 69 + 12

Combine like terms: -12 + 12 = 0
0 + 8a = 69 + 12
8a = 69 + 12

Combine like terms: 69 + 12 = 81
8a = 81

Divide each side by '8'.
a = 10.125

Simplifying
a = 10.125

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