12=5a+3a

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Solution for 12=5a+3a equation:


Simplifying
12 = 5a + 3a

Combine like terms: 5a + 3a = 8a
12 = 8a

Solving
12 = 8a

Solving for variable 'a'.

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

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

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

Add '-12' to each side of the equation.
12 + -12 + -8a = 0 + -12

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

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

Divide each side by '-8'.
a = 1.5

Simplifying
a = 1.5

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