-4(9r+10)+5(10r+7)
Multiply the first bracket by -4
Multiply the second bracket by 5
(-4)(9r)(-4)(10)
=-36r-40
(5)(10r)+(5)(7)
=-50r+35
-36r-40+50r+35
-36r+50r-40+35 ( rearranging)
14r-5
Answer: 14r-5
Answer:
This is really simple, the answer is 1r, or just r
Step-by-step explanation:
this can also be seen as 10r-9r
