X = 4y
3x - y = 70
substitute the x in the second equation with the other half of the first equation.
3(4y) - y = 70
12y - y = 70
11y = 70
y = 6.36 repeating, or 6 4/11
now use this to solve first equation
x = 4 (6 4/11)
x = 25.45 repeating
done
Explain The question with more detail
If you like up the numbers vertically it makes it easier to answer the problem:
400,000,000
319,238,105
——————-
719,238,105
And because it is really just zeros it is a fairly simple problem :)
Answer:
we cant see the data
Step-by-step explanation:
Answer:
999
Step-by-step explanation:
