3a-4=5a-8

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Solution for 3a-4=5a-8 equation:


Simplifying
3a + -4 = 5a + -8

Reorder the terms:
-4 + 3a = 5a + -8

Reorder the terms:
-4 + 3a = -8 + 5a

Solving
-4 + 3a = -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.
-4 + 3a + -5a = -8 + 5a + -5a

Combine like terms: 3a + -5a = -2a
-4 + -2a = -8 + 5a + -5a

Combine like terms: 5a + -5a = 0
-4 + -2a = -8 + 0
-4 + -2a = -8

Add '4' to each side of the equation.
-4 + 4 + -2a = -8 + 4

Combine like terms: -4 + 4 = 0
0 + -2a = -8 + 4
-2a = -8 + 4

Combine like terms: -8 + 4 = -4
-2a = -4

Divide each side by '-2'.
a = 2

Simplifying
a = 2

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