Subsitution
solve for y in first equation
add 2x to both sides
y=2x+8
sub 2x+8 for y in second equation
16+4x=2(2x+8)
divide both sides by 2
8+2x=2x+8
true
there are infinite solutions for x
therefor infinite soltions for y
there are an infinite number of solutions
Answer:
180 - 90 = 90
half of 90 = 45
40 and 50??
Step-by-step explanation:
2 hours and a half, or 2 hours and 30 minutes. :-)
Answer:
E is correct
Step-by-step explanation:
146 degrees
I just went over this in math and I hope this helps u