-3=a-3-7

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Solution for -3=a-3-7 equation:


Simplifying
-3 = a + -3 + -7

Reorder the terms:
-3 = -3 + -7 + a

Combine like terms: -3 + -7 = -10
-3 = -10 + a

Solving
-3 = -10 + 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.
-3 + -1a = -10 + a + -1a

Combine like terms: a + -1a = 0
-3 + -1a = -10 + 0
-3 + -1a = -10

Add '3' to each side of the equation.
-3 + 3 + -1a = -10 + 3

Combine like terms: -3 + 3 = 0
0 + -1a = -10 + 3
-1a = -10 + 3

Combine like terms: -10 + 3 = -7
-1a = -7

Divide each side by '-1'.
a = 7

Simplifying
a = 7

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