3a-17=-(a-1)-6

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Solution for 3a-17=-(a-1)-6 equation:


Simplifying
3a + -17 = -1(a + -1) + -6

Reorder the terms:
-17 + 3a = -1(a + -1) + -6

Reorder the terms:
-17 + 3a = -1(-1 + a) + -6
-17 + 3a = (-1 * -1 + a * -1) + -6
-17 + 3a = (1 + -1a) + -6

Reorder the terms:
-17 + 3a = 1 + -6 + -1a

Combine like terms: 1 + -6 = -5
-17 + 3a = -5 + -1a

Solving
-17 + 3a = -5 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
-17 + 3a + a = -5 + -1a + a

Combine like terms: 3a + a = 4a
-17 + 4a = -5 + -1a + a

Combine like terms: -1a + a = 0
-17 + 4a = -5 + 0
-17 + 4a = -5

Add '17' to each side of the equation.
-17 + 17 + 4a = -5 + 17

Combine like terms: -17 + 17 = 0
0 + 4a = -5 + 17
4a = -5 + 17

Combine like terms: -5 + 17 = 12
4a = 12

Divide each side by '4'.
a = 3

Simplifying
a = 3

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