-83=7-6(3a-6)

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Solution for -83=7-6(3a-6) equation:


Simplifying
-83 = 7 + -6(3a + -6)

Reorder the terms:
-83 = 7 + -6(-6 + 3a)
-83 = 7 + (-6 * -6 + 3a * -6)
-83 = 7 + (36 + -18a)

Combine like terms: 7 + 36 = 43
-83 = 43 + -18a

Solving
-83 = 43 + -18a

Solving for variable 'a'.

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

Add '18a' to each side of the equation.
-83 + 18a = 43 + -18a + 18a

Combine like terms: -18a + 18a = 0
-83 + 18a = 43 + 0
-83 + 18a = 43

Add '83' to each side of the equation.
-83 + 83 + 18a = 43 + 83

Combine like terms: -83 + 83 = 0
0 + 18a = 43 + 83
18a = 43 + 83

Combine like terms: 43 + 83 = 126
18a = 126

Divide each side by '18'.
a = 7

Simplifying
a = 7

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