Answer:
Hannah's line should start at 220 and Brandon's at 340 and should go down each hour by 30 and 50 respectively.
Answer:
im on it:) gimme a quick sec and ill come back and edit
Step-by-step explanation:
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Y=2x+3 (equation 1)
3x-5y=6 (equation 2)
Sub equation 1 into equation 2
3x-5(2x+3)=6
3x-10x-15=6
3x-10x=6+15
-7x=21
x=-3
Sub x=-3 into equation 1
y=2(-3)+3
y=-6+3
y=-3
I believe there is only one solution: y and x both equal -3.
U have to multiply straight across ?!??!??!?!!??