Question

7a=2-b, 7a=5-b how do I us the substition method for this

Answer 1

Hint:

if 7a is both 2-b and 5-b, then

2-b = 5-b

Answer 2

is that the method

Answer 3

yes I'm using substitution

Answer 4

oh thank you so much

Answer 5

7a=5-b


2-b = 5-b ... substitute '2-b' in for '7a' (since they are the same)

Answer 6

thanks I have 30 questins to answer and I am horible in algelbra.

Answer 7

I'm sure you'll get better with more practice

Answer 8

thanks

Answer 9

np