-78=5(4a-3)-3

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Solution for -78=5(4a-3)-3 equation:


Simplifying
-78 = 5(4a + -3) + -3

Reorder the terms:
-78 = 5(-3 + 4a) + -3
-78 = (-3 * 5 + 4a * 5) + -3
-78 = (-15 + 20a) + -3

Reorder the terms:
-78 = -15 + -3 + 20a

Combine like terms: -15 + -3 = -18
-78 = -18 + 20a

Solving
-78 = -18 + 20a

Solving for variable 'a'.

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

Add '-20a' to each side of the equation.
-78 + -20a = -18 + 20a + -20a

Combine like terms: 20a + -20a = 0
-78 + -20a = -18 + 0
-78 + -20a = -18

Add '78' to each side of the equation.
-78 + 78 + -20a = -18 + 78

Combine like terms: -78 + 78 = 0
0 + -20a = -18 + 78
-20a = -18 + 78

Combine like terms: -18 + 78 = 60
-20a = 60

Divide each side by '-20'.
a = -3

Simplifying
a = -3

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