2(a-8)+7=(a+2)-3a-19

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Solution for 2(a-8)+7=(a+2)-3a-19 equation:


Simplifying
2(a + -8) + 7 = (a + 2) + -3a + -19

Reorder the terms:
2(-8 + a) + 7 = (a + 2) + -3a + -19
(-8 * 2 + a * 2) + 7 = (a + 2) + -3a + -19
(-16 + 2a) + 7 = (a + 2) + -3a + -19

Reorder the terms:
-16 + 7 + 2a = (a + 2) + -3a + -19

Combine like terms: -16 + 7 = -9
-9 + 2a = (a + 2) + -3a + -19

Reorder the terms:
-9 + 2a = (2 + a) + -3a + -19

Remove parenthesis around (2 + a)
-9 + 2a = 2 + a + -3a + -19

Reorder the terms:
-9 + 2a = 2 + -19 + a + -3a

Combine like terms: 2 + -19 = -17
-9 + 2a = -17 + a + -3a

Combine like terms: a + -3a = -2a
-9 + 2a = -17 + -2a

Solving
-9 + 2a = -17 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-9 + 2a + 2a = -17 + -2a + 2a

Combine like terms: 2a + 2a = 4a
-9 + 4a = -17 + -2a + 2a

Combine like terms: -2a + 2a = 0
-9 + 4a = -17 + 0
-9 + 4a = -17

Add '9' to each side of the equation.
-9 + 9 + 4a = -17 + 9

Combine like terms: -9 + 9 = 0
0 + 4a = -17 + 9
4a = -17 + 9

Combine like terms: -17 + 9 = -8
4a = -8

Divide each side by '4'.
a = -2

Simplifying
a = -2

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