3(a+2)-a=4

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Solution for 3(a+2)-a=4 equation:


Simplifying
3(a + 2) + -1a = 4

Reorder the terms:
3(2 + a) + -1a = 4
(2 * 3 + a * 3) + -1a = 4
(6 + 3a) + -1a = 4

Combine like terms: 3a + -1a = 2a
6 + 2a = 4

Solving
6 + 2a = 4

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 2a = 4 + -6

Combine like terms: 6 + -6 = 0
0 + 2a = 4 + -6
2a = 4 + -6

Combine like terms: 4 + -6 = -2
2a = -2

Divide each side by '2'.
a = -1

Simplifying
a = -1

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