Answer:
<h2>-10x - 20y</h2>
Step-by-step explanation:
Answer:
yup!
Step-by-step explanation:
I don’t know if it’s totally right but it should be 3(3k+1)(k+7) that’s for #4
Answer:
x=3, y=2
Step-by-step explanation:
To solve by elimination method, multiply one of the equation by a constant such that when you subtract one equation from the other, you are left with one term only.
I would express it verbally as “number 2 times the sum of an unknown x and number 4. you can say “ double the sum of an unknown x and number 4