20+28-88=z

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Solution for 20+28-88=z equation:


Simplifying
20 + 28 + -88 = z

Combine like terms: 20 + 28 = 48
48 + -88 = z

Combine like terms: 48 + -88 = -40
-40 = z

Solving
-40 = 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.
-40 + -1z = z + -1z

Combine like terms: z + -1z = 0
-40 + -1z = 0

Add '40' to each side of the equation.
-40 + 40 + -1z = 0 + 40

Combine like terms: -40 + 40 = 0
0 + -1z = 0 + 40
-1z = 0 + 40

Combine like terms: 0 + 40 = 40
-1z = 40

Divide each side by '-1'.
z = -40

Simplifying
z = -40

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