Answer:
C) 5x - 18 = 7
Step-by-step explanation:
Plug in 5 for x.
5x - 18 = 7
5(5) - 18 = 7
Simplify. First, multiply, then subtract.
25 - 18 = 7
7 = 7 (True)
~
2x-7y=18 _(1)
-2x+4y=5
11y=23 , Y=23/11 sub in 1
2x-7×23/11=18
2x = 18×11 + 7×23
x = ( 198 + 161 )/2 = 359/2
I believe the correct answer is G
Answer:
140
Step-by-step explanation:
