7(-2a+5)=8a-31

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Solution for 7(-2a+5)=8a-31 equation:


Simplifying
7(-2a + 5) = 8a + -31

Reorder the terms:
7(5 + -2a) = 8a + -31
(5 * 7 + -2a * 7) = 8a + -31
(35 + -14a) = 8a + -31

Reorder the terms:
35 + -14a = -31 + 8a

Solving
35 + -14a = -31 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
35 + -14a + -8a = -31 + 8a + -8a

Combine like terms: -14a + -8a = -22a
35 + -22a = -31 + 8a + -8a

Combine like terms: 8a + -8a = 0
35 + -22a = -31 + 0
35 + -22a = -31

Add '-35' to each side of the equation.
35 + -35 + -22a = -31 + -35

Combine like terms: 35 + -35 = 0
0 + -22a = -31 + -35
-22a = -31 + -35

Combine like terms: -31 + -35 = -66
-22a = -66

Divide each side by '-22'.
a = 3

Simplifying
a = 3

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