Question

solve the equation by trial and error method: 9y-3=24​

Answer 1

$9y - 3 = 24 \\ 9y = 24 + 3 \\ 9y = 27 \\ y = \frac{27}{9} \\ y = 3$

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Answer 2

Trail and error method.

equation 9y-3=24

value of variable =2 9 ✖ 2 -3=15

L. H. S = 15

R. H. S=24

value of variable =3 9 ✖ 3-3 =24

L. H. S =24

R. H. S=24

therefore Y = 3, is the solution of the equation 9y-3 = 24