Answer:
(7x-3)/-1
Step-by-step explanation:
swap the x and y and then move the y by itself
x=(3-y)/7
7x=3-y
7x-3=-y
(7x-3)/-1=y
Answer:
PEMDAS
Step-by-step explanation:
Using PEMDAS or the order of operations, you first multiply 2 by 6
2-2×6+3
2-12+3
Then you can go in any order since addition and subtraction take the same precedence.
-10+3=-7
Answer:

Step-by-step explanation:
Let
y------> the total cost
c-----> the number of topping
we know that
----> linear equation that represent the situation
Answer:
m = 100, t = 80
Step-by-step explanation:
m + t = 180
6m + 8t = 1240
X + 2 = 6.2
subtract 2 from both sides
x = 4.2