7-a=-7(a-1)

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Solution for 7-a=-7(a-1) equation:


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

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

Add '-7' to each side of the equation.
7 + -7 + -1a = 7 + -7 + -7a

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

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

Solving
-1a = -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
-1a + 7a = -7a + 7a

Combine like terms: -1a + 7a = 6a
6a = -7a + 7a

Combine like terms: -7a + 7a = 0
6a = 0

Divide each side by '6'.
a = 0

Simplifying
a = 0

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