The idea is to "isolate" the variable, in this case "x", on one side. In this case, you would start by multiplying both sides of the equation by "x".
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5. If 56 is x, then 336-x-x-x-x-x=0. This can be shortened to 336-5x=0, and by adding 5x to each side we get 336=5x. If we substitute the number back in, we get 336=5x52.
Sorry but i dont know te answer to this :( x/a= y/b therefore x = ay/b
b divided by 2
b/5 = 31 Therefore, b = 31 x 5 b = 155
B/5 = 6 means that 6 x 5 = B 6 x 5 = 30 Therefore, B = 30