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zysi [14]
3 years ago
11

(3x - 2) + (5x + 7)​

Mathematics
2 answers:
deff fn [24]3 years ago
6 0

Answer:

8x+5

Step-by-step explanation:

To solve this, you need to combine the like terms. The line terms are 3x +5x and -2+7. 3x+5x=8x and 7-2 (same thing as -2+7) is positive 5 so its 8x+5

Serhud [2]3 years ago
5 0
Simplified: 8x+5
you have to combine like terms so 3x+5x =8x because plus and minus equal plus and -2+5 equals 5 cause you subtract 2 from 7 since 2 is negative
hope this helps
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Solve for 52=4(8m-5)-8(m-6)
ira [324]

Answer:

  • <u>m = 1</u>

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7 0
4 years ago
Read 2 more answers
A vendor sells h hot dogs and s sodas. If a hot dog costs twice as much as a soda, and if the vendor takes in a total of d dolla
horrorfan [7]

Answer:

The expression for the cost of soda is 100 ×  \dfrac{\textrm d}{ \textrm 2h + \textrm s} cents

Step-by-step explanation:

Given as :

The quantity of hot dogs sold by vendor = h

The quantity of sodas sold by vendor = s

The total cost of hot dogs and soda = $ d

Let The price of hot dogs = $ x

And The price of soda = $ y

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The price of hot dogs is twice as much as soda

so, $ x = 2 × $ y

I.e   x = 2 y

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Or , 2 × $ y  h + $ y s = $ d

Or, y = \dfrac{\textrm d}{ \textrm 2h + \textrm s}

∵ 1 dollar = 100 cents

So, the price of  \dfrac{\textrm d}{ \textrm 2h + \textrm s} = 100 ×  \dfrac{\textrm d}{ \textrm 2h + \textrm s} cents

Hence The expression for the cost of soda is 100 ×  \dfrac{\textrm d}{ \textrm 2h + \textrm s} cents  Answer

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