8-2(2a-1)=7+a

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Solution for 8-2(2a-1)=7+a equation:


Simplifying
8 + -2(2a + -1) = 7 + a

Reorder the terms:
8 + -2(-1 + 2a) = 7 + a
8 + (-1 * -2 + 2a * -2) = 7 + a
8 + (2 + -4a) = 7 + a

Combine like terms: 8 + 2 = 10
10 + -4a = 7 + a

Solving
10 + -4a = 7 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
10 + -4a + -1a = 7 + a + -1a

Combine like terms: -4a + -1a = -5a
10 + -5a = 7 + a + -1a

Combine like terms: a + -1a = 0
10 + -5a = 7 + 0
10 + -5a = 7

Add '-10' to each side of the equation.
10 + -10 + -5a = 7 + -10

Combine like terms: 10 + -10 = 0
0 + -5a = 7 + -10
-5a = 7 + -10

Combine like terms: 7 + -10 = -3
-5a = -3

Divide each side by '-5'.
a = 0.6

Simplifying
a = 0.6

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