Answer:
y=10 when x=7
Step-by-step explanation:
y=2x-4
y=10
Substitute y with "10": 10=2x-4
Add 4 on both sides: 14=2x
x=7
substitute 10 for y in the equation y=2x-4
10=2x-4
2x=10+4
2x=6
divide both side by 2
x=3
