Step-by-step explanation:
2x+3(-7+3x)=12
x=3
y=-7+3x3
y=2
(x,y)=(3,2)
5 + d > 5 - d
5 + d + d > 5
5 + 2d > 5
2d > 5 - 5
2d > 0
d > 0 ÷ 2
d > 0
Answer:
$12
To find the value of Miguel's coins, divide 9 by 0.75
9/0.75
= 12
So, the value of Miguel's coins is $12
