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Korvikt [17]
3 years ago
9

Need help on my test, please help me !! Solve for x

Mathematics
1 answer:
agasfer [191]3 years ago
6 0

Step-by-step explanation:

solve for x

5x + 35 + 2x - 15 = 90 \\ 7x + 20 = 90 \\ 7x = 70 \\ x = 10

For y

y = 180 - 65  \\ y = 115

For z

5z - 18 = z + 22 \\ 4z = 40 \\ z = 10

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