-4(2a-3)=20

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Solution for -4(2a-3)=20 equation:


Simplifying
-4(2a + -3) = 20

Reorder the terms:
-4(-3 + 2a) = 20
(-3 * -4 + 2a * -4) = 20
(12 + -8a) = 20

Solving
12 + -8a = 20

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + -8a = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -8a = 20 + -12
-8a = 20 + -12

Combine like terms: 20 + -12 = 8
-8a = 8

Divide each side by '-8'.
a = -1

Simplifying
a = -1

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