Question

22 X + 7 Y is equal to 5 and 4 x + 14 Y is equal to 21 solve equation by substitution​

Answer 1

Answer:

Step-by-step explanation:

See attachment

Answer 2

Answer:

Step-by-step explanation:

22x + 7y =5

22x=5-7y

X=5/22-7y/22

4(5-7y÷22) +14y=21

10-14y+154y=231

140y=221

Y=221÷140

X=-121÷440