I think the first one is 0, the second one is 0, the third is -6, the fourth is -2 and the fifth is -3
Answer:
x = y
Step-by-step explanation:
Add y to both sides of the equation:
x - y + y = 0 + y
x = y . . . . . simplify
Answer:
3; 12 min and 500 words
Step-by-step explanation:
They will have the same amount after 12 min and 500 words
Its easy if you plug it into the Desmos graphing calculator. Just do
y =25x+200 and the other and it will make math much easier.
For simplicity sake, let's call Train A "A" and Train B "B".
A + B = 192
A > B
A - B = 120
192 ÷ 2 = 96
96 ± 120 ÷ 2 = 96 ± 60 = 156, 36
Train A weighs 156 tons and Train B weighs 36 tons :)
Answer:
5
Step-by-step explanation: