12a+2a+20=10a-40

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Solution for 12a+2a+20=10a-40 equation:


Simplifying
12a + 2a + 20 = 10a + -40

Reorder the terms:
20 + 12a + 2a = 10a + -40

Combine like terms: 12a + 2a = 14a
20 + 14a = 10a + -40

Reorder the terms:
20 + 14a = -40 + 10a

Solving
20 + 14a = -40 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
20 + 14a + -10a = -40 + 10a + -10a

Combine like terms: 14a + -10a = 4a
20 + 4a = -40 + 10a + -10a

Combine like terms: 10a + -10a = 0
20 + 4a = -40 + 0
20 + 4a = -40

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

Combine like terms: 20 + -20 = 0
0 + 4a = -40 + -20
4a = -40 + -20

Combine like terms: -40 + -20 = -60
4a = -60

Divide each side by '4'.
a = -15

Simplifying
a = -15

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