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 = -7
1a = -7

Divide each side by '1'.
a = -7

Simplifying
a = -7

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