-7+10-20=z

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Solution for -7+10-20=z equation:


Simplifying
-7 + 10 + -20 = z

Combine like terms: -7 + 10 = 3
3 + -20 = z

Combine like terms: 3 + -20 = -17
-17 = z

Solving
-17 = 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.
-17 + -1z = z + -1z

Combine like terms: z + -1z = 0
-17 + -1z = 0

Add '17' to each side of the equation.
-17 + 17 + -1z = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -1z = 0 + 17
-1z = 0 + 17

Combine like terms: 0 + 17 = 17
-1z = 17

Divide each side by '-1'.
z = -17

Simplifying
z = -17

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