show step by step explanation
1.Add the expressions.
(5m+2n−3r)+(10m−n+6r−4)
2.Subtract the expressions.
(5m+2n+11)−(3m+7n+17)
Answers
Answered by
0
Step-by-step explanation:
1.
5m+2n-3r
+10m-n+6r-4
15m+n+3r-4. ←answer
2.
5m+2n+11
-3m-7n-17
2m-5n-6. ←answer
Answered by
1
Answer:
(i) 15m+n-3r-4
(ii)2m-5n-6
Step-by-step explanation:
(I)
.'. 5m + 2n 3r + 10m = n+6r-4
5m + 10m + 2n − n − 3r + 6r
15m +n + 3r - 4
(ii)
.'. (5m + 2n +11) = (3m + 7n +17)
5m + 2n + 11 - 3m - 7n - 17
5m -3m + 2n - 7n +11-17
2m 5n - 6
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