Question

Find the solution to the system of equation by using either graphing or substitution
y=4x and y + x=5

Answer 1

Answer:

x=1, y=4

Step-by-step explanation:

sub y=4x into second equation

4x + x=5

5x=5

x=1

now sub x=1 into the first equation

y = 4 x 1

y=4