What is #y# and #x# when #y= 2x-11# and #y= x- 8# ?
2 Answers
x = + 3 y = -5
Explanation:
One way to solve the problem is to subtract the two equations from each other.
so
Solving for
now put the value of +3 into either equation and solve for y
To check put these values into the second equation
# -5 = -5 check
x = +3 y = -5
Explanation:
substitute
substitute