Question

evaluate a-13 when a =33 evaluate 3x+2y-2z when x =5 y=2 z=1 evaluate 6a+4b-3c when a=4 b=7 c-2

Answer 1

a-13whena=13.so33-13=20 that's the ans 3x+2y-2zwhenx=5,y=2,z=1.so3(5)+2(2)-2(1)=17

Answer 2

Find the greatest common factor of 6a
3
b
2
c
10
+ 20c
10
– 8a
3
b
2
c
9