3a-(8+a)=34

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Solution for 3a-(8+a)=34 equation:


Simplifying
3a + -1(8 + a) = 34
3a + (8 * -1 + a * -1) = 34
3a + (-8 + -1a) = 34

Reorder the terms:
-8 + 3a + -1a = 34

Combine like terms: 3a + -1a = 2a
-8 + 2a = 34

Solving
-8 + 2a = 34

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 2a = 34 + 8

Combine like terms: -8 + 8 = 0
0 + 2a = 34 + 8
2a = 34 + 8

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

Divide each side by '2'.
a = 21

Simplifying
a = 21

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