82-7=22-7-15z

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Solution for 82-7=22-7-15z equation:


Simplifying
82 + -7 = 22 + -7 + -15z

Combine like terms: 82 + -7 = 75
75 = 22 + -7 + -15z

Combine like terms: 22 + -7 = 15
75 = 15 + -15z

Solving
75 = 15 + -15z

Solving for variable 'z'.

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

Add '15z' to each side of the equation.
75 + 15z = 15 + -15z + 15z

Combine like terms: -15z + 15z = 0
75 + 15z = 15 + 0
75 + 15z = 15

Add '-75' to each side of the equation.
75 + -75 + 15z = 15 + -75

Combine like terms: 75 + -75 = 0
0 + 15z = 15 + -75
15z = 15 + -75

Combine like terms: 15 + -75 = -60
15z = -60

Divide each side by '15'.
z = -4

Simplifying
z = -4

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