112k views
5 votes
Solve the given equation.



z - 42 = 7

User Foon
by
6.4k points

2 Answers

6 votes

Answer:

z = 49

Explanation:

z - 42 = 7

z - 42 = 7

+42 +42

z = 49

1. add 42 to both sides (adding because its - 42)

2. that leaves us with 7+42 = 49 so z=49

to check your answer u can always plug in 49.

49 - 42 = 7

yup. 49-42 does equal 7.

User Kieran Osgood
by
6.6k points
2 votes
7 + 42 = 49 so it’s 49
User Ngokevin
by
5.4k points
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