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suter [353]
3 years ago
9

20=10-2y+4+4y what does y equal

Mathematics
1 answer:
Mila [183]3 years ago
4 0

Answer:

y = 3

Step-by-step explanation:

10-2y+4+4y+20

Combine like terms

2y+14=20

Move all terms not containing  y  to the right side of the equation.

2y=6

Divide both sides by 2

y = 3

Plz mark me brainliest!

It's ok if u don't...lol

I hope this helped!!

You might be interested in
An angle measures 79.4 degrees more than the measure of its supplementary angle. What is the measure of each angle?
tatyana61 [14]

Answer:

The angles are: 50.3 and 129.7

Step-by-step explanation:

The sum of supplementary angles is 180°.

Let x be one angle then the other angle will be x+79.4

Using the supplementary angle sum

x+x+79.4 = 180\\2x+79.4 = 180\\2x = 180-79.4\\2x = 100.6\\\frac{2x}{2} = \frac{100.6}{2}\\x = 50.3

For the measurement of 2nd angle

x+79.4 => 50.3+79.4 => 129.7

Hence,

The angles are: 50.3 and 129.7

4 0
3 years ago
At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.
dybincka [34]

Answer:

$2.25

Step-by-step explanation:

Let "b" be the price of 1 brownie and "c" the price of 1 cookie.

At a bake sale, a student spent $11.00 buying 3 brownies and 5 cookies. Symbolicaly,

3 b + 5 c = 11.00   [1]

His friend spent $3.95 buying 1 brownie and 2 cookies. Symbolicaly,

1 b + 2 c = 3.95

b = 3.95 - 2c   [2]

If we replace [2] in [1], we get

3 (3.95 - 2c) + 5 c = 11.00

11.85 - 6c + 5c = 11.00

c = 0.85

If we replace c = 0.85 in [2], we get

b = 3.95 - 2 (0.85) = 2.25

8 0
3 years ago
Don’t get this at all??
DENIUS [597]
Are you sure your in high school, also it's answer #3.
6 0
2 years ago
Read 2 more answers
What’s the constant 15-8y?
IgorC [24]

Answer:

15

Step-by-step explanation:

3 0
3 years ago
I need help passing geometry
Lyrx [107]
Oh that’s so easy 6 grade math so I saw there’s no y intercept so just see where the point’s coordinates are
3 0
2 years ago
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