-7=4+a

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Solution for -7=4+a equation: 


Simplifying
-7 = 4 + a

Solving
-7 = 4 + 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.
-7 + -1a = 4 + a + -1a

Combine like terms: a + -1a = 0
-7 + -1a = 4 + 0
-7 + -1a = 4

Add '7' to each side of the equation.
-7 + 7 + -1a = 4 + 7

Combine like terms: -7 + 7 = 0
0 + -1a = 4 + 7
-1a = 4 + 7

Combine like terms: 4 + 7 = 11
-1a = 11

Divide each side by '-1'.
a = -11

Simplifying
a = -11

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