tiatia032502
27.05.2021 •
Mathematics
Help me, please! I need this NOW!!
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Ответ:
4.5(4 − x ) + 36 = 202 − 2.5(3x + 28) now multiply from the paranthesis
18 -4.5x + 36 = 202 -7.5x + 70 will add the numbers
54-4.5x = 272-7.5x move x to the left and numbers to the right
7.5x-4.5x = 272-54 make the difference
3x = 218 and divide by 3
x= 72