10-2(a+2)=9+2

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Solution for 10-2(a+2)=9+2 equation:


Simplifying
10 + -2(a + 2) = 9 + 2

Reorder the terms:
10 + -2(2 + a) = 9 + 2
10 + (2 * -2 + a * -2) = 9 + 2
10 + (-4 + -2a) = 9 + 2

Combine like terms: 10 + -4 = 6
6 + -2a = 9 + 2

Combine like terms: 9 + 2 = 11
6 + -2a = 11

Solving
6 + -2a = 11

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + -2a = 11 + -6

Combine like terms: 6 + -6 = 0
0 + -2a = 11 + -6
-2a = 11 + -6

Combine like terms: 11 + -6 = 5
-2a = 5

Divide each side by '-2'.
a = -2.5

Simplifying
a = -2.5

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