How do you solve the system of equations #8x+7y = 18# and #3x-5y=22#?
1 Answer
Jun 27, 2016
Explanation:
Equation 1 =>
Equation 2 =>
Multiply Equation 1 by 5 and Equation 2 by 7, we get
Equation 3 =>
Equation 4 =>
Adding 3 & 4, we get
Solve in a similar manner to determine y.
Multiply Equation 1 by 3 and Equation 2 by 8, we get
Equation 5 =>
Equation 6 =>
Subtract Equation 6 from 5, we get: