Answer:
Step-by-step explanation:
x+y=12
x-y=18
Now eliminate the y by adding the two equations together to get
2x=30
x=15
then solve for y.
15+y=12
15-y=18
y= -3
Answer:
102
Step-by-step explanation:
34*3=102
the dot in the middle is just another way to say that it is multiplying the equation so it just mean that your are multiplying 34 by 3 which is 102
Answer:
If we’re dividing .31 by 9
The solution is on the photo below
Hope this helped. Have a great day!
The cost of one French silk cheesecake is $5 and one apple cheesecake is $14.
Step-by-step explanation:
Let,
Cost of one French silk cheesecake = x
Cost of one apple cheesecake = y
According to given statement;
8x+y=54 Eqn 1
3x+y=29 Eqn 2
Subtracting Eqn 2 from Eqn 1

Dividing both sides by 5

Putting x=5 in Eqn 1

The cost of one French silk cheesecake is $5 and one apple cheesecake is $14.
Keywords: linear equation, subtraction
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