8.8k views
0 votes
Slove using substitution
Y= 2x + 1
3x + y = 11 Step by step explanation

User Labue
by
5.0k points

1 Answer

10 votes

Answer: x = 2 and y = 5

Explanation:

y = 2x + 1

3x + y = 11

Substitute

3x + (2x + 1) = 11

5x + 1 = 11

Subtract both sides by 1

5x = 10

Divide both sides by 5

x = 2

y = 2x + 1

Substitute

y = 2 (2) + 1

y = 4 + 1

y = 5

User Evik Ghazarian
by
5.3k points