Question

If 2x-9=9 ;4y+3=19 and 5z-1=29,then the value of 3x+7y+5z is
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Answer 1

Answer:

2x-9=9

X=9

4y+3=19

y=4

5z-1=29

z=6

3x+7y+5z=?

= 3×9+7×4+5×6

= 27+28+30

= 85

Answer 2

85

Step-by-step explanation:

2x-9=9

2x=18

x=9

4y+3=19

4y=16

y=4

5z-1=29

5z=30

z=6

3*9+7*4+5*6=85