How do you solve #Y=2X-1# and #Y=X+1#?
1 Answer
Mar 27, 2016
Explanation:
Combining the two equations, we find:
#2X-1 = Y = X+1#
Subtract
#X-1=1#
Add
#X = 2#
Then:
#Y = X + 1 = 2+1 = 3#
Notes
In general, given two equations in
Choose one of the equations from which it is easiest to derive a formula for