2(a+5)-a=-7

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


Simplifying
2(a + 5) + -1a = -7

Reorder the terms:
2(5 + a) + -1a = -7
(5 * 2 + a * 2) + -1a = -7
(10 + 2a) + -1a = -7

Combine like terms: 2a + -1a = 1a
10 + 1a = -7

Solving
10 + 1a = -7

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 + 1a = -7 + -10

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

Combine like terms: -7 + -10 = -17
1a = -17

Divide each side by '1'.
a = -17

Simplifying
a = -17

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