16=7-(a+8)

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Solution for 16=7-(a+8) equation:


Simplifying
16 = 7 + -1(a + 8)

Reorder the terms:
16 = 7 + -1(8 + a)
16 = 7 + (8 * -1 + a * -1)
16 = 7 + (-8 + -1a)

Combine like terms: 7 + -8 = -1
16 = -1 + -1a

Solving
16 = -1 + -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.
16 + a = -1 + -1a + a

Combine like terms: -1a + a = 0
16 + a = -1 + 0
16 + a = -1

Add '-16' to each side of the equation.
16 + -16 + a = -1 + -16

Combine like terms: 16 + -16 = 0
0 + a = -1 + -16
a = -1 + -16

Combine like terms: -1 + -16 = -17
a = -17

Simplifying
a = -17

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