Answer:
2b+9
Step-by-step explanation:
(7-b)+(3b+2) ---> remove parenthesis
7-b+3b+2 ---> combine like terms
2b+9
Answer:The last answer choice
Step-by-step explanation:
I think
Answer:
there are different types of substitution but the solved question is simultaneous equation using substitution method I only solved one example I hope it helps. It's in the picture above .If you need more examples just chat me up on the comments and I will be glad to solve more for you and also if this is not the substitution you expected ,chat me using the comments slot .
Answer:
5/9
Step-by-step explanation:
i would say the best anser is A