Answer:
28j + 21
step-by-step explanation:
(7) (2j+3+2j)
=(7*2j) + (7*3) + (7*2j)
=14j + 21 + 14j
=28j + 21
-1(x+ and -(x+. because -x is same as -1
Answer:
9 years old
Step-by-step explanation:
Answer:
In the first step, there is an issue when distributing the -3 to the terms inside of the parentheses. When multiplying the -3 to the -5, you would get an answer of +15, not -15.
The full correct process is:
(4m + 9) - 3(2m - 5) = 4m + 9 - 6m + 15
= 4m - 6m + 9 + 15
= -2m + 24
Answer:
quizlet
Step-by-step explanation: