Question

Simplify this expression. 3w+7-5r+2-r​

Answer 1

Answer:

3w - 6r +9

Step-by-step explanation:

3w+7-5r+2-r​

Combine like terms

3w   -5r-r  +7+2

3w - 6r +9

Answer 2

Answer:

$\displaystyle 3w+9-6r$

Step-by-step explanation:

Distributive property: A(B+C)=AB+AC

Group like terms.

$\displaystyle-5r-r+3w+7+2$

Add the numbers from left to right.

$\displaystyle-5r-r=-6r$

$\displaystyle -6r+3w+7+2$

Finally, add the numbers from left to right, to find the answer.

$2+7=9$

$\displaystyle 3w+9-6r$, is the correct answer.

Hope this helps!