121k views
2 votes
Solve using substitution.
-6x + 7y= -13
y = 5

User Reck
by
3.9k points

2 Answers

7 votes

Answer:

8

Explanation:

-6x + 7(5) = -13

-6x + 35 = -13

subtract 35 from both sides

-6x = -13 - 35

-6x = -48

divide both sides by -6

x =

User BonDaviD
by
3.2k points
4 votes
-6x+7(5)=-13
-6x+35=-13
-6x=22
22/-6=-3.666666666666667
x=-3.666666666666667
or x=-3.6 repeating