-4a+20=40+a

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Solution for -4a+20=40+a equation:


Simplifying
-4a + 20 = 40 + a

Reorder the terms:
20 + -4a = 40 + a

Solving
20 + -4a = 40 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
20 + -4a + -1a = 40 + a + -1a

Combine like terms: -4a + -1a = -5a
20 + -5a = 40 + a + -1a

Combine like terms: a + -1a = 0
20 + -5a = 40 + 0
20 + -5a = 40

Add '-20' to each side of the equation.
20 + -20 + -5a = 40 + -20

Combine like terms: 20 + -20 = 0
0 + -5a = 40 + -20
-5a = 40 + -20

Combine like terms: 40 + -20 = 20
-5a = 20

Divide each side by '-5'.
a = -4

Simplifying
a = -4

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