Question

2- Sabendo que r//s, determine o valor do x:

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Answer 1

Boa noite

b)

5x-30+2x = 180

5x-2x = 180 + 30

3x = 210

210/3 = 70

X = 70

c)

2x+4x = 180

6x = 180

180/6 = 30

X = 30

d)

3x-20+2x+10 = 180

3x-2x = 180-20-10

X = 150