3=5a+8

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Solution for 3=5a+8 equation:


Simplifying
3 = 5a + 8

Reorder the terms:
3 = 8 + 5a

Solving
3 = 8 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
3 + -5a = 8 + 5a + -5a

Combine like terms: 5a + -5a = 0
3 + -5a = 8 + 0
3 + -5a = 8

Add '-3' to each side of the equation.
3 + -3 + -5a = 8 + -3

Combine like terms: 3 + -3 = 0
0 + -5a = 8 + -3
-5a = 8 + -3

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

Divide each side by '-5'.
a = -1

Simplifying
a = -1

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