-(a+6)+7=2(5+4a)

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Solution for -(a+6)+7=2(5+4a) equation:


Simplifying
-1(a + 6) + 7 = 2(5 + 4a)

Reorder the terms:
-1(6 + a) + 7 = 2(5 + 4a)
(6 * -1 + a * -1) + 7 = 2(5 + 4a)
(-6 + -1a) + 7 = 2(5 + 4a)

Reorder the terms:
-6 + 7 + -1a = 2(5 + 4a)

Combine like terms: -6 + 7 = 1
1 + -1a = 2(5 + 4a)
1 + -1a = (5 * 2 + 4a * 2)
1 + -1a = (10 + 8a)

Solving
1 + -1a = 10 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
1 + -1a + -8a = 10 + 8a + -8a

Combine like terms: -1a + -8a = -9a
1 + -9a = 10 + 8a + -8a

Combine like terms: 8a + -8a = 0
1 + -9a = 10 + 0
1 + -9a = 10

Add '-1' to each side of the equation.
1 + -1 + -9a = 10 + -1

Combine like terms: 1 + -1 = 0
0 + -9a = 10 + -1
-9a = 10 + -1

Combine like terms: 10 + -1 = 9
-9a = 9

Divide each side by '-9'.
a = -1

Simplifying
a = -1

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