What is '7b-2b+3-1' ? Need working and it's equations!!
2 answers:
7b-2b+3-1=0
5b+2=0
5b=-2
b=-2/5
7b - 2b + 3 - 1 = 0
(7b - 2b) = 5b
3 - 1 = 2
Thus:
5b + 2 = 0
5b = -2
b = -2/5 = -0.4
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