1.

Solve the equation by the trial-and-error method. (i) y+9=13 (ii)x-7=10 (iii)4x=28 (vi)3y=36(v)11x+x=19(vi) (x)/(3)=4 (vii)2x-3=9(viii) (1)/(2)x+7=11 (ix) 2x+4=3y (x) z-3=2z-5

Answer»


ANSWER :(i) y = 4
(ii)X = 17
(iii)x = 7
(iv)y = 12
(v)x = 8
(vi) x = 12
(vii) x = 6
(VIII)x = 8
(ix) y = 4
(x)z = 2


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