5a-42=3a-8

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Solution for 5a-42=3a-8 equation:


Simplifying
5a + -42 = 3a + -8

Reorder the terms:
-42 + 5a = 3a + -8

Reorder the terms:
-42 + 5a = -8 + 3a

Solving
-42 + 5a = -8 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-42 + 5a + -3a = -8 + 3a + -3a

Combine like terms: 5a + -3a = 2a
-42 + 2a = -8 + 3a + -3a

Combine like terms: 3a + -3a = 0
-42 + 2a = -8 + 0
-42 + 2a = -8

Add '42' to each side of the equation.
-42 + 42 + 2a = -8 + 42

Combine like terms: -42 + 42 = 0
0 + 2a = -8 + 42
2a = -8 + 42

Combine like terms: -8 + 42 = 34
2a = 34

Divide each side by '2'.
a = 17

Simplifying
a = 17

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