Question

Solve the equations using trial and error method
a) x + 7 = 10
b) x-2-7
c) 2x - 3=7
d)3y/4=3
e)2x/5+4=10
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Answer 1

Answer:

a) x+7=10

x = 10-7

x= 3

B) x-2=7

x=7+2

x= 9

c) 2x-3=7

2x= 7 +3

x = 10 ÷2

x= 5

D) 3y= 3×4

y = 12 ÷3

y = 4

e ) 2x/5=10-4

2x=6÷5

x= 3/5

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Answer 2

Answer:

a x=10-7

x=3

b x=-7+2

x=-5

c 2x=7+3

2x=10

x=5

d 3y=4×3

3y=12

y=4

e 2x/5=10-4

2x/5=6

2x=4

x=2