arjun is as twice as older than shriya. five years ago his age was three times shreya's age. find their present age.

10 and 20

Step-by-step explanation:Shreyas age:X

Arjuns age: 2x

Shreyas age 5 years ago:x-5

Arjuns age 5 years ago: 2x-5

We get the equation: 2x-5=3(x-5)

2x-5=3x-15

2x-3x=-15+5

-x=-10

X= 10

Shreyas present age is 10 years

Arjuns present age is 2x(2×10) =20 years

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infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions

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step-by-step explanation: