4a-8=5a-12

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Solution for 4a-8=5a-12 equation:


Simplifying
4a + -8 = 5a + -12

Reorder the terms:
-8 + 4a = 5a + -12

Reorder the terms:
-8 + 4a = -12 + 5a

Solving
-8 + 4a = -12 + 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.
-8 + 4a + -5a = -12 + 5a + -5a

Combine like terms: 4a + -5a = -1a
-8 + -1a = -12 + 5a + -5a

Combine like terms: 5a + -5a = 0
-8 + -1a = -12 + 0
-8 + -1a = -12

Add '8' to each side of the equation.
-8 + 8 + -1a = -12 + 8

Combine like terms: -8 + 8 = 0
0 + -1a = -12 + 8
-1a = -12 + 8

Combine like terms: -12 + 8 = -4
-1a = -4

Divide each side by '-1'.
a = 4

Simplifying
a = 4

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