Question

Solve for the unknown a) 3x – 8 = 10 b) 4x + 7 = 11 c) 3x/5 = 30 d) 5x= 50

Answer 1

Answer:

Step-by-step explanation:

3x-8=10

3x=10+8

x=18/3

x=6

4x+7=11

4x=11-7

x=4/4

x=1

3x/5=30

3x=30*5

3x=150

x=150/3

x=50

5x=50

x=50/5

x=10

Answer 2

a) 3x-8=10

=>3x=10+8

=>3x=18

=>x=18/3

=>x=6

b) 4x+7=11

=>4x=11-7

=>4x=4

=>x=4/4

=>x=1

c) 3x/5=30

=>3x=30*5/3

=>x= 10*5

=>x=50

d) 5x=50

=>x=50/5

=>x=10