90.1k views
21 votes
Given that 3x – 4y= 22
-
Find & when y = -7

1 Answer

0 votes

Answer:

x=2

Explanation:

3x - 4y = 22

3x - 4 × -7 = 22

3x - (-28) = 22

223x + 28 = 22

223x = 28 - 22

223x = 6

x = 6/3

x = 2