Minus a and minus c from both sides
2S-a-c=b
b=2S-a-c
Answer:
36
Step-by-step explanation:
4(5(2)-1)
4(10-1)
4(9)
36
Hope this helps!
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Answer:
a:2
Step-by-step explanation:
An expression is just a mathematical phrase. A numericalexpression contains numbers and operations. An algebraic expression is almost exactly the same except it also contains variables!
Hope this helped :)