-7=a-7

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Solution for -7=a-7 equation:


Simplifying
-7 = a + -7

Reorder the terms:
-7 = -7 + a

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

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

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

Solving
0 = a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
0 + -1a = a + -1a
Remove the zero:
-1a = a + -1a

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

Divide each side by '-1'.
a = 0

Simplifying
a = 0

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