9(8a+2-7a)=20

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Solution for 9(8a+2-7a)=20 equation:


Simplifying
9(8a + 2 + -7a) = 20

Reorder the terms:
9(2 + 8a + -7a) = 20

Combine like terms: 8a + -7a = 1a
9(2 + 1a) = 20
(2 * 9 + 1a * 9) = 20
(18 + 9a) = 20

Solving
18 + 9a = 20

Solving for variable 'a'.

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

Add '-18' to each side of the equation.
18 + -18 + 9a = 20 + -18

Combine like terms: 18 + -18 = 0
0 + 9a = 20 + -18
9a = 20 + -18

Combine like terms: 20 + -18 = 2
9a = 2

Divide each side by '9'.
a = 0.2222222222

Simplifying
a = 0.2222222222

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