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OK then . . .
4b - 100 = -b
Add 'b' to each side of the equation:
5b - 100 = 0
Add 100 to each side :
5b = 100
Divide each side by 5 :
b = 20
Add your answer:
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How would you solve b equals Ah for h?
b = Ah divide both sides by A b/A = h
B equals 10 plus a solve for a?
Not enough information to solve
How would you solve A-B equals 381 and A plus B equals 561?
(1) Add the two equations together & solve for A:A - B = 381A + B = 561-------------------2A + 0B = 9422A = 9422A/2 = 942/2A = 471(2) Now substitute A back into one of the original equations & solve for B:A + B = 561471 + B = 561B = 561 - 471B = 90
Can you solve 3a-4b for a equals 12and b equals 5?
36 -20 = 16
How do you solve 5-b equals 2t algebra?
It is not possible to solve a single linear equation in two unknown variables (b and t).
