-7(2a-6)=31-3a

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Solution for -7(2a-6)=31-3a equation:


Simplifying
-7(2a + -6) = 31 + -3a

Reorder the terms:
-7(-6 + 2a) = 31 + -3a
(-6 * -7 + 2a * -7) = 31 + -3a
(42 + -14a) = 31 + -3a

Solving
42 + -14a = 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.
42 + -14a + 3a = 31 + -3a + 3a

Combine like terms: -14a + 3a = -11a
42 + -11a = 31 + -3a + 3a

Combine like terms: -3a + 3a = 0
42 + -11a = 31 + 0
42 + -11a = 31

Add '-42' to each side of the equation.
42 + -42 + -11a = 31 + -42

Combine like terms: 42 + -42 = 0
0 + -11a = 31 + -42
-11a = 31 + -42

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

Divide each side by '-11'.
a = 1

Simplifying
a = 1

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