55.7k views
2 votes
Solve the system of linear equations using substation

y=2x+5
y=3x-1

User Jim Syyap
by
7.0k points

2 Answers

1 vote
Substitution: 3x-1=2x+5
x=6
y=12+5=17
User Natalie Carr
by
6.7k points
2 votes
Equation 1) y=2x+5
Equation 2) y=3x-1

Rearrange both equations so that the variables are both on the same side of the equal sign.

1) y=2x+5
1) -2x+y=5

2) y=3x-1
2) -3x+y=-1


1) -2x+y=5
2) -3x+y=-1

Subtract equations.

x=6

Plug in 6 for x in equation number 1.

y=2x+5

y=2(6) +5

y=12 + 5

y=17

~Hope I helped!~
User Inquiring Minds
by
7.2k points