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subject: Maths
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Answer:
Q.1 A)
1) 3m-4=14
2) 4x+11=32
B)
1) The sum of five times x and 7 is 20.
Q.2 A)
a) 3z+11=41
3z = 41-11
z = 30/3
z = 10
b) 8x+4=60
8x = 60-4
x = 56/8
x = 7
c) x/5 - 4 = 3
x/5 = 3+4
x = 5×5
x = 35
d) 3(x-1)+7=11
3x - 3 = 11 - 7
3x = 4+3
x= 7/3
B) Let the no. be x
Then, 3x+11=32
3x= 32-11
3x = 21
x=21/3
x = 7
The number is 7
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