3a-1=2(a+4)

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Solution for 3a-1=2(a+4) equation:


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

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

Reorder the terms:
-1 + 3a = 2(4 + a)
-1 + 3a = (4 * 2 + a * 2)
-1 + 3a = (8 + 2a)

Solving
-1 + 3a = 8 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-1 + 3a + -2a = 8 + 2a + -2a

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

Combine like terms: 2a + -2a = 0
-1 + 1a = 8 + 0
-1 + 1a = 8

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

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

Combine like terms: 8 + 1 = 9
1a = 9

Divide each side by '1'.
a = 9

Simplifying
a = 9

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