3y-20+x+13=3x+9
3y-20+x+13+2y=180
3y-7+x=3x+9
3y=2x+16
y=2/3x+16/3
5y+x=187
5(2/3x+16/3)+x=187
10/3x+80/3+x=187
13/3x=481/3
x=37
Answer:
-0.75 as a fraction is -3/4
Explanation:
-3 divided by 4 is -0.75
7.85 dollars because 3.14 is the price of one pound your buying 2.5 so you times 3.14 by 2.5
42 because 42-12=30 hope dis helped my guy