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2018 June, 5, May, Sun Mon Tue Wud Thu Fr Sat, 2018, Tuesday, 3, 4 5, 11 12, 18 19, 6., 10, 16 17, 23 24, 13, 14, 15, Exercise 4.1, 20 21, 22, 25, 27, 28, 29, 30, 31, 2. Check whether the value given in the braçkets, given, (n=1), is a golution to the, dequation or nt., a) n+5 =19, I+5=6 +19. Son=l es not a sohntion :, b) 1n+5= 19, (n=-2), 1x2 +5="4 +5 =-9 +19. Son=-2is not a sotukon, d) Ap-3 = 13 (p - 1), ニ, -3=4-3=1+13 •So p-1 is not a solulkon ', 6., 3 Sohe the following equations by tial and errormoetho., 4x1, Wednesday, 5p +2= 17, if, = 2 +17, 5×!+2 -ら+2 - 17, - 10+2 =12 €19, P= 0, 5X0+2=O+2, ニ, i8, グx2+2, 5x3 +2 =15+2 =17, 30 p-3 is the solution :, こ2, 4: Waile the eqpuation for the, follo wing, (i) The sum of numbers x and A ü 9 → x+4 =9, slatiments, (ii) 2 bublbackd fromy is 8. > y-2=8

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2018, July, Mon lue Wed Thu | Fn Sat, June 2018, 7, Thursday, I| 12, IN 19, 23 26, 20 21, 27 2N, 16, 65 Waili the follwing equalions, s in slatimentforms., (i), P+4 = 15, Sum, numbers pand 4 is 15, (ii ), M-7= 3, - Subtract 1 from m s 3, m-7=3, %3D, ili), 2 m - 7, Two times m is T, iv), ニ, The number m dividecd by 5 is 3 ., 8., Friday, Thae fifth of a number m, 6. Set up an equation ·, is 6., (i) lalan says that he has 1 marbles more than, 5 Dtimes the marbles Parmit has. Tafan has 37, masbles · CTake m to be the, marbles ., Ans-, Paimit has. Tafan has 31, numbeu of, obuaf Parmit's, No of Parmits marbles = m, Number of Ir fan's marbles = 37., %3D, 7+5m =37