Friday, August 15, 2014

2x + 5 = 47variable equations

2X+5=47 here are the rules to solving


Rule 1: look at the question


Rule 2: how many terms [in this case it is three]


Rule 3:Do the opposite operation of the number by 2X [the term you are solving for]. transfer the number to over the = sign


Rule 4: After the opposite operation divide the answer you got using the opposite operation with the variable you are solving for. so it is like this: 2X+5=47


opposite operation: 2x=47-5


2X=42


in order to let the x by itself divide the number by it


so 42 divided by 2 is 21.

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