-5(a+7)=-20

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Solution for -5(a+7)=-20 equation:


Simplifying
-5(a + 7) = -20

Reorder the terms:
-5(7 + a) = -20
(7 * -5 + a * -5) = -20
(-35 + -5a) = -20

Solving
-35 + -5a = -20

Solving for variable 'a'.

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

Add '35' to each side of the equation.
-35 + 35 + -5a = -20 + 35

Combine like terms: -35 + 35 = 0
0 + -5a = -20 + 35
-5a = -20 + 35

Combine like terms: -20 + 35 = 15
-5a = 15

Divide each side by '-5'.
a = -3

Simplifying
a = -3

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