When you multiply a negative and a positive you will get a negative answer so 3*7 is 21 so -3 * 7 is -21
Answer:
the expression is 3(15+7). An word problem could be there are 15 apples and 7 bananas. Someone needs to buy 3 times the amount of those. This is represented by that expression.
Step-by-step explanation:
Answer:
3n-9<23
You can use any variable you want for n
I can’t see your choices, but this equation can be simplified to 5y + 5.
If you add the choices as a comment, I’m happy to help more.
<h2>
The value of x is always grater than 4.</h2><h3>
Therefore x = (4,∞)</h3>
Step-by-step explanation:
Given
5x+ 2 >3x+10
⇔5x - 3x >10-2
⇔2x > 8
⇔x > 4
<h3>
The value of x is always grater than 4.</h3><h3>
Therefore x = (4,∞)</h3>