Answer:
The price of one notebook is 2$
Step-by-step explanation:
3x + 2= 4x
Take x to the same side —> 4x-3x=2 —> x=2
Not sure but prob d. because the rest r short or don’t correlate
10x+20y=540
x+y=34
y=34-x
Plug in (34-x) for y:
10x+20(34-x)=540
10x+680-20x=540
-10x=-140
10x=140
x=14
There were 14 ten cent coins and 20 20 cent coins
What do you need help with?
Answer:
We say that it is squared because we are multiplying that number twice. A square has two sides, therefore we are squaring the number.
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