Mathematics: Can someone help me understand this •_•

Can someone help me understand this •_•

Ответ:

19cmulett

06.02.2022

$A. \: 3x + 6 = 4 x \: + \: 7 \: is \: equivalent \: with \: option \: 4. \\ B. \: 3(x + 6) = 4 x+ 7 \: is \: equivalent \: with \: option \: 2.\\ C.\: 4x + 3x = 7 - 6 \: is \: equivalent \: with \: option \: 5.$

Step-by-step explanation:

$all \: you \:need \: to \: do \: is \: to \: identify \: the \\ \: equations \: that \: have \: the \: same \: value \: of \: x. \\ A. \\ \: 3x + 6 = 4 x+ 7 \\ x = 6 - 7 \\ x = - 1. \\ \: so \: 3x + 6 = 4 x+ 7 \: is \: equal \: with \: \: option \: 4.\\ B. \\ 3(x + 6) = 4x + 7 \\ 3x + 18 = 4x + 7 \\ x = 18 - 7 \\ x = 11. \\ \: so \: 3(x + 6) = 4 x+ 7 \: is \: equal \: with \: \: option \: 2. \\ C .\\ 4x + 3x = 7 - 6 \\ 7x = 1 \\ x = \frac{1}{7} \\ so \: 4x + 3x = 7 - 6\: is \: equal \: with \: \: option \: 5.$

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Ответ:

glowbaby123

04.11.2021

Mathematics

The first pizza is 6 slices, so each slice is 1/6 of a pizza. The second pizza is 4 slices, so each slice is 1/4 of a pizza. If you were to take one slice of each, you would get 1/6 +1/4 slice, which would be 5/12 of a pizza, as opposed to if you took 2 slices of the first pizza, which would only be 4/12 of a pizza.

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