daniellecraig77
17.07.2020 •
Mathematics
Please help as fast as you can 20 points
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Ответ:
x+4x+x-7= 137
combine like terms
6x-7=137
isolate the variable by adding 7 to both sides
6x=144
divide
x=24
but remember, tin c is x-7 so plug the 24 in, and the answer is 17.