3 years ago

Math. answer plz ty❤️.

Mathematics

2 answers:

maxonik [38]3 years ago

3 0

Answer:

Robert is 10 and his dad is 40 years old

Step-by-step explanation:

We have (4x+5)=3(x+5)

4x+5=3x+15

x=10.

Roberts is 10 years old and his father is 40 years old.

sukhopar [10]3 years ago

3 0

Answer:

Step-by-step explanation:

Roberts's father=4x

Robert=x

After 5 years, the ages will be

4x+5 and x+5 because we just simply add 5 years to their ages

It says that the father will be 3x older. So,

3(x+5)=4x+5. --this is the equation

3x+15=4x+5

-5 -5

3x+10=4x

-3x -3x

x=10

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