10-2a=3a-20

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Solution for 10-2a=3a-20 equation:


Simplifying
10 + -2a = 3a + -20

Reorder the terms:
10 + -2a = -20 + 3a

Solving
10 + -2a = -20 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
10 + -2a + -3a = -20 + 3a + -3a

Combine like terms: -2a + -3a = -5a
10 + -5a = -20 + 3a + -3a

Combine like terms: 3a + -3a = 0
10 + -5a = -20 + 0
10 + -5a = -20

Add '-10' to each side of the equation.
10 + -10 + -5a = -20 + -10

Combine like terms: 10 + -10 = 0
0 + -5a = -20 + -10
-5a = -20 + -10

Combine like terms: -20 + -10 = -30
-5a = -30

Divide each side by '-5'.
a = 6

Simplifying
a = 6

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