-3=7+z

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Solution for -3=7+z equation:


Simplifying
-3 = 7 + z

Solving
-3 = 7 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-3 + -1z = 7 + z + -1z

Combine like terms: z + -1z = 0
-3 + -1z = 7 + 0
-3 + -1z = 7

Add '3' to each side of the equation.
-3 + 3 + -1z = 7 + 3

Combine like terms: -3 + 3 = 0
0 + -1z = 7 + 3
-1z = 7 + 3

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

Divide each side by '-1'.
z = -10

Simplifying
z = -10

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