-40=-4z

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Solution for -40=-4z equation:


Simplifying
-40 = -4z

Solving
-40 = -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
-40 + 4z = -4z + 4z

Combine like terms: -4z + 4z = 0
-40 + 4z = 0

Add '40' to each side of the equation.
-40 + 40 + 4z = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 4z = 0 + 40
4z = 0 + 40

Combine like terms: 0 + 40 = 40
4z = 40

Divide each side by '4'.
z = 10

Simplifying
z = 10

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