3x+5y=21
3x + 5(2x - 1) = 21
3x + 10x - 5 = 21
13x - 26
x = 2
Substitute 2 for x in the second problem to find the value of y.
Use substitution to solve the system.
3x+5y=21
y=2x-1
1 answer
3x+5y=21
y=2x-1
1 answer