77=18+z

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Solution for 77=18+z equation:


Simplifying
77 = 18 + z

Solving
77 = 18 + 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.
77 + -1z = 18 + z + -1z

Combine like terms: z + -1z = 0
77 + -1z = 18 + 0
77 + -1z = 18

Add '-77' to each side of the equation.
77 + -77 + -1z = 18 + -77

Combine like terms: 77 + -77 = 0
0 + -1z = 18 + -77
-1z = 18 + -77

Combine like terms: 18 + -77 = -59
-1z = -59

Divide each side by '-1'.
z = 59

Simplifying
z = 59

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