Question

Four times the sum of a number r and 4 is equal to 20 less than 10 times the number r. What is the value of r ? -mathematics

Answer 1

ah this says it is Spanish

Step-by-step explanation:

how come you put a math metics one on Spanish?

Answer 2

r=6

Step-by-step explanation:

4(r+4)=10r-20

now solve for r.

4r+16=10r-20

-4r -4r

16=6r-20

+20 +20

36=6r

/6 /6

6=r