10a-5(a-2)=20

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Solution for 10a-5(a-2)=20 equation:


Simplifying
10a + -5(a + -2) = 20

Reorder the terms:
10a + -5(-2 + a) = 20
10a + (-2 * -5 + a * -5) = 20
10a + (10 + -5a) = 20

Reorder the terms:
10 + 10a + -5a = 20

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

Solving
10 + 5a = 20

Solving for variable 'a'.

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

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 = 10
5a = 10

Divide each side by '5'.
a = 2

Simplifying
a = 2

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