Question

solve the following equations by trial and error method.
(i) 5x=30
answer_______
(ii) 14-y=8
answer_______
(iii)x- 2= -6
answer_______
(iv)10-x=6
answer_______
(v) x- 1= -3
answer_______​

Answer 1

Answer:

I 5x=30

if we do x=1 we get 5×1 i, e 6 not 30

now,, we do x=3 we get 5×3 I, e 15 not 30

now if we do x=6 we get 5×6 I, e 30 so the answer is 6

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Answer 2

1. 6
2.14-y=8
y = 14-8
y = 6
3.x-2=-6
x=-6+2
x=-4
4.10-x=6
=x=10-6
=x=4
5.63/8


Hope it’s help thank you