joanna93
joanna93
02-12-2019
Mathematics
contestada
1) 3х + 8 y = 30
бx +7y = 6
Respuesta :
naythankyouboi
naythankyouboi
02-12-2019
Multiply the first equation my 2 and than subtract the two equations to eliminate x
6x+16y=60-
6x+7y=6
9y=54
Y=6
Then plug in y to one of the equations
6x+7(6)=6
6x+42=6
6x=-36
X=-6
X=-6 Y=6
Answer Link
VER TODAS LAS RESPUESTAS ( 26+ )
Otras preguntas
Ralph buys a desk that regularly sells for $250 and a desk chair that regularly sells for $145. both items are on sale at 15% off, and a sales tax of x% is appl
Need help with this one
Who got their name because they used unnatural color in creating their work
the sum of two numbers is 34. 1/2 the first number plus 1/3 of the second number is 14. write a system to find the numbers. solve the system to find the answer
Which statement from the Speech to the second Virginia convention shows it has historical significance
karen made 40 cakes she gives 1/5 to Andrewshe gives 10% to Chris what fraction of the 40 cakes does she have left ?
PLEASE HELP ASAP!!!!! WILL GIVE RATING AND BRAINLIEST!!!!!!!!!!!!!!!!!! In the figure, a∥e , m∥n , and m∠2 = 117°. What is m∠5 ? 63° 90° 117° 180°
Nick is going to the skating ring once in 12 days. Victoria is going to the skating ring once in 20 days. Boris is going to the skating ring once in 18 days. La
A spy is trying to send a secret message, we're trying to decode his message, we need your help! if (shnoppy droppy groppy) means (mission dangerously executed)
What was the most significant factor in the development of early societies in west africa?
