4(-2a+5)=84

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Solution for 4(-2a+5)=84 equation:


Simplifying
4(-2a + 5) = 84

Reorder the terms:
4(5 + -2a) = 84
(5 * 4 + -2a * 4) = 84
(20 + -8a) = 84

Solving
20 + -8a = 84

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + -8a = 84 + -20

Combine like terms: 20 + -20 = 0
0 + -8a = 84 + -20
-8a = 84 + -20

Combine like terms: 84 + -20 = 64
-8a = 64

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

Simplifying
a = -8

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