5a+8=3a+42

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


Simplifying
5a + 8 = 3a + 42

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

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

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

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

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

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

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

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

Divide each side by '2'.
a = 17

Simplifying
a = 17

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