3 years ago

What is the first step to solving this equation? 3x+10=7x-2

Mathematics

2 answers:

lozanna [386]3 years ago

8 0

Answer:

3x+10

Step-by-step explanation:

vfiekz [6]3 years ago

8 0

You will add 2 to both sides and subtract 3x on both sides to get x on one side and a whole number on one side. So after doing that, you should get 12 = 4x and x will equal to 3

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Trigonometry<br> Special Right Triangles<br> Find the exact value of sec 60* - cosec 30* - sin 0*.

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Answer:

Step-by-step explanation:

cos(60) = ½

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8 0

3 years ago

Click on the photo to see it.

Lera25 [3.4K]

B is the midpoint

$\\ \sf\longmapsto AB=\dfrac{1}{2}AC$

$\\ \sf\longmapsto 7x-3=\dfrac{5}{2}$

$\\ \sf\longmapsto 5=2(7x-3)$

$\\ \sf\longmapsto 5=14x-6$

$\\ \sf\longmapsto 14x=6+5$

$\\ \sf\longmapsto 14x=11$

$\\ \sf\longmapsto x=\dfrac{11}{14}$

$\\ \sf\longmapsto x=7.8$

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Step-by-step explanation:

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2 years ago

Expand and simplify (2x+1)(x+3)

Len [333]

Answer:

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Step-by-step explanation:

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