Question

If a + 6 = 10and 2b+ 5=13 find the value of (a) 9a –50b.

Answer 1

Answer:

a=10-6

a=4

2b=13-5

b=8/2

b=4

9(4)-50(4)

36-200

-164

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Answer 2

Answer:

a+6=10

a=10-6=4

2b+5=13

b=4

then

9a-50b=

9*4-50*4=36-200

=-164