21÷(2+1)5-2²
21÷10+5-4
21÷15-4
21÷11
21/11
1whole10divided by 11
Answer:
M = n - 1
Step-by-step explanation:
7m + 2 = 7n - 5
Group like terms
7m = 7n - 5 - 2
7m = 7n - 7
7m/7 = 7n /7 - 7/7
M = n - 1
Here, = x(-y + z)
Just substitute the values,
= 3( -3 + 1)
= 3( - 2)
= -6
In short, Your Answer would be -6
Hope this helps!
