Question

find the value of
1-- 2x-y+7 when x = 4, y = 6
2-- pq - r when p = 10 , q = 9 , r = 8​

Answer 1

Step-by-step explanation:

1. 2×4-6+7

8-6+7

15-6

= 9

2. 10×9-8

90-8

= 82

Answer 2

Step-by-step explanation:

1) Putting x's and y's value in given solution and simplify accordingly. (prefer using BODMAS).

2) same as above, the values are already given, put the values accordingly which will reduce the sum to 90-8 which is 82