Ask a New Question

Question

pleae help solve: 3x-5y=7 and 5x-2y=-1
15 years ago

Answers

Damon
3x-5y=7 times 5 15x-25y=35
5x-2y=-1times 3 15x -6y=-3
subtract second from first
0x -19y = 38
y = -2
3x-5(-2) = 7
3x +10 =7
3x = -3
x = -1

check
3(-1) -5(-2) = 7 yes
5(-1)-2(-2)=-1 yes
15 years ago
deondre
25y to the second power times x to the second power plus 20xy to the second power plus 4x to the second power
14 years ago

Related Questions

pleae check my answer thanks Latent learining becomes evident when... A. a puppy grows up B.... Pleae unscramble vrafos Can you pleae help me on medical transcription. pleae check these: 1. what was the purpose of the gag rule A. To prevent the reading of antislaver... pleae check How is current affected if the time interval over which the charge passes through a g... Pleae help! A uniform 2m long plank is supported at each end by ropes. The plank has a mass of 300gr... Pleae help. It's urgent! 10. Why did many Native people start adapting to Victorian society? a... Can you pleae tell me which alternatives are possible? Thank you very much. 1, They believed a pe... Could you pleae check these paragraphs I prepared on various listening comprehensions. Thank you ver... y-6¡Ý12 Solve this pleae.
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use