-8+3(a-1)=-3a+31

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Solution for -8+3(a-1)=-3a+31 equation:


Simplifying
-8 + 3(a + -1) = -3a + 31

Reorder the terms:
-8 + 3(-1 + a) = -3a + 31
-8 + (-1 * 3 + a * 3) = -3a + 31
-8 + (-3 + 3a) = -3a + 31

Combine like terms: -8 + -3 = -11
-11 + 3a = -3a + 31

Reorder the terms:
-11 + 3a = 31 + -3a

Solving
-11 + 3a = 31 + -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.
-11 + 3a + 3a = 31 + -3a + 3a

Combine like terms: 3a + 3a = 6a
-11 + 6a = 31 + -3a + 3a

Combine like terms: -3a + 3a = 0
-11 + 6a = 31 + 0
-11 + 6a = 31

Add '11' to each side of the equation.
-11 + 11 + 6a = 31 + 11

Combine like terms: -11 + 11 = 0
0 + 6a = 31 + 11
6a = 31 + 11

Combine like terms: 31 + 11 = 42
6a = 42

Divide each side by '6'.
a = 7

Simplifying
a = 7

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