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1. Set up equations and solve them to find the unknown numbers in the following cases:
(a) Add 4 to eight times a number; you get 60.
(b) One-fifth of a number minus 4 gives 3.
(c) If I take three-fourths of a number and add 3 to it, I get 21.
(d) When I subtracted 11 from twice a number, the result was 15.
(e) Munna subtracts thrice the number of notebooks he has from 50, he finds the
result to be 8.
(f) Ibenhal thinks of a number. If she adds 19 to it and divides the sum by 5, she
will get 8.
(g) Anwar thinks of a number. If he takes away 7 from
5
2
of the number, the
result is 23.
Answers
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Answer:
a) 4+8x=60
8x=60-4
8x=56
x=56/8...x = 7
b) 1/5x-4=3
1/5x=3+4
x=7/5
c) 3/4x 3=21
3/4x=21/3
x= 7×3/4
Step-by-step explanation:
a) 4+8x=60
8x=60-4
8x=56
x=56/8...x = 7
b) 1/5x-4=3
1/5x=3+4
x=7/5
c) 3/4x 3=21
3/4x=21/3
x= 7×3/4
x= 21/4
d) 2x-11= 15
2x= 15+11
x= 26/2
x= 13
e) 50-3x= 8
-3x=8-50
-x= -42/3
x= 14
f) (x+19)/5=8
x+19=8×5
x= 40-19
x= 21
g) it's not understandable..
if above other answers were helpful, mark me as brainliest...
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