5-5(a+2)=7+a

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Solution for 5-5(a+2)=7+a equation:


Simplifying
5 + -5(a + 2) = 7 + a

Reorder the terms:
5 + -5(2 + a) = 7 + a
5 + (2 * -5 + a * -5) = 7 + a
5 + (-10 + -5a) = 7 + a

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

Solving
-5 + -5a = 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.
-5 + -5a + -1a = 7 + a + -1a

Combine like terms: -5a + -1a = -6a
-5 + -6a = 7 + a + -1a

Combine like terms: a + -1a = 0
-5 + -6a = 7 + 0
-5 + -6a = 7

Add '5' to each side of the equation.
-5 + 5 + -6a = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -6a = 7 + 5
-6a = 7 + 5

Combine like terms: 7 + 5 = 12
-6a = 12

Divide each side by '-6'.
a = -2

Simplifying
a = -2

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