-31+3a=2(8a-7)

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Solution for -31+3a=2(8a-7) equation:


Simplifying
-31 + 3a = 2(8a + -7)

Reorder the terms:
-31 + 3a = 2(-7 + 8a)
-31 + 3a = (-7 * 2 + 8a * 2)
-31 + 3a = (-14 + 16a)

Solving
-31 + 3a = -14 + 16a

Solving for variable 'a'.

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

Add '-16a' to each side of the equation.
-31 + 3a + -16a = -14 + 16a + -16a

Combine like terms: 3a + -16a = -13a
-31 + -13a = -14 + 16a + -16a

Combine like terms: 16a + -16a = 0
-31 + -13a = -14 + 0
-31 + -13a = -14

Add '31' to each side of the equation.
-31 + 31 + -13a = -14 + 31

Combine like terms: -31 + 31 = 0
0 + -13a = -14 + 31
-13a = -14 + 31

Combine like terms: -14 + 31 = 17
-13a = 17

Divide each side by '-13'.
a = -1.307692308

Simplifying
a = -1.307692308

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