Question

find the roots of the following equation a) 11x + 9 = 42
b) 3 (x+5) = 9
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Answer 1

a) 11x+9 = 42

=> 11x = 33

=> x = 33/11

=> x = 3

b) 3(x+5)= 9

=> 3x+15= 9

=> 3x = -6

=> x= -2

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Answer 2

Answer:

Step-by-step explanation:

a)11x+9=42

11x=42-9

11x=33

x=33/11

x=3

b)3(x+5)=9

x+5=9/3

x+5=3

x=3-5

x=--2