Sanaa A.
asked • 11/06/18the sum of two numbers is 19 and the difference is 7
More
1 Expert Answer
Lauren H. answered • 11/06/18
Tutor
4.8
(24)
Experienced High School Chemistry Teacher
x + y = 19
x - y = 7
Add these together:
2x = 26
x = 13
y = 6
You can also solve this by substitution: solve one eqaution for y and then substitute that value into the other equation.
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Kkk K.
was the answer04/04/19