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31.10.2020 •
Mathematics
Which answer choice is a solution to the equation 0.5×+3.5=6
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Ответ:
X=5
Step-by-step explanation:
leave the x variable on one side:
0.5x = 6 - 3.5
0.5x = 2.5
divide both sides by 0.5:
x = 5
Ответ:
Step-by-step explanation:
20 - x = 35 - 2x
x + 2x = 35 - 20
3x = 15
x = 5