Using the graphing you graph the two equations and then find the point where the two lines of the equation meet.
Hope this helps :)
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2 black 3s and 2 red Jacks, 4 cards out of 52.
You would multiply 5 by 25 (125) and then subtract 7 (118). Parentheses, exponents, multiply/divide, then add/subtract.
Answer= 7
Explanation: combine all like numbers
5-b+4-2=0
5-2+4=7
7-b=0
Then you can tell the answer is 7 because that is the only thing that can replace b and equal 0
