18-03-2016
Mathematics

contestada

write and solve a problem that fits the following equation
2x + 18 = 60

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Christy3collins3 Christy3collins3

18-03-2016

2x+18=60
-18 -18
2x = 42
÷2. ÷2
x= 21

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Аноним Аноним

18-03-2016

Hi there, the opposite of addition is subtraction so we are gonna do -18 on both sides. 60-18=42. So, we have 2x=42. Divide 2 on both sides, 42 divided by 2 is 21. Therefore, x=21

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