3 years ago

2x + 5y + 7x equals

Mathematics

2 answers:

Westkost [7]3 years ago

8 0

This equation simplified would be 9x + 5y.
We can figure this out by combining like terms.
I hope this helped! :-)

lesya692 [45]3 years ago

5 0

2x + 5y + 7x

---

Combine like terms
(2x + 7x)

---

9x + 5y

You might be interested in

I can’t find this answer, help me plss

Vinvika [58]

2) 7/4×(22–x) =0

soln

= 7/4×(22 –x) =0

= 1.75 ×22 –x =0

= x=38.5

9) 15x² /7 =8x²/5

soln

= 15x²×8x²=7×5

=120x^4 = 35

= x^4 =120–35

x^4 =85

6) 9x²/4–4=0

soln

=9x²/4–4=0

=2.25–4=0

=4–2.25=0

=1.75

<h2>sorry I know that much </h2>

8 0

3 years ago

3. A penny is made by combining 0.1 g of a copper alloy that costs $5.50 per kilogram (1000 grams) with

lbvjy [14]

.0001*5.5 + 1.5*x = 2
x=1.33 kg

6 0

3 years ago

From 75 pencils to 225 penicls

Masja [62]

Answer:

He gained 150 pencils

Step-by-step explanation:

So this person had 75 pencils and now has 225?

If so, this is just a subtraction problem!

Steps:

1. 225-75=150

--Subtract how many pencils he had from how many he has now to see how much he gained

This person gained 150 pencils.

Hope this helped!! :)

3 0

4 years ago

Helpppppppppppppppp messssss plzzzzzzzzzzzzzzz

elena-14-01-66 [18.8K]

Answer:

1=b

2=f

3=d

4=e

5=a

6=b

So tough question dud

3 0

3 years ago

X(x - 2) = 4 please help

vazorg [7]

Answer:

$x = 1 + \sqrt{5} x = 1 - \sqrt{5}$

7 0

3 years ago