40+3a=-12a+20

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Solution for 40+3a=-12a+20 equation:


Simplifying
40 + 3a = -12a + 20

Reorder the terms:
40 + 3a = 20 + -12a

Solving
40 + 3a = 20 + -12a

Solving for variable 'a'.

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

Add '12a' to each side of the equation.
40 + 3a + 12a = 20 + -12a + 12a

Combine like terms: 3a + 12a = 15a
40 + 15a = 20 + -12a + 12a

Combine like terms: -12a + 12a = 0
40 + 15a = 20 + 0
40 + 15a = 20

Add '-40' to each side of the equation.
40 + -40 + 15a = 20 + -40

Combine like terms: 40 + -40 = 0
0 + 15a = 20 + -40
15a = 20 + -40

Combine like terms: 20 + -40 = -20
15a = -20

Divide each side by '15'.
a = -1.333333333

Simplifying
a = -1.333333333

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