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Alisiya [41]
3 years ago
12

8x -7 =19x +15 Solve equation

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
6 0
<span>8x -7 =19x +15 
19x - 8x = -7 - 15
11x = -22
x = -22 / 11
x = -2

In short, Your Answer would be -2

Hope this helps!</span>
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The ratio of the circumferences of two circles is 2:3. If the large circle has a radius of 39cm what is the radius of the small
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You just multiple my guy. 2:3 is like 2/3. What is 2/3 of 39
39*2/3 = 26
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2 years ago
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Can someone help me with this????????????
anyanavicka [17]
The third option should be correct
4 0
3 years ago
Write the subtraction expression as an equivalent addition expression and then evaluate it.
Harrizon [31]

Answer:

<h3>2</h3>

Step-by-step explanation:

Given the expression -3-(-5)

This is also expressed as;

-3(-5)

= -3 + 5 (The product of two negative sign gives a positive sign)

= 5 - 3

= 2

Hence the result of the expression is 2

6 0
3 years ago
PLEASE HELP IT'S DUE IN LIKE 20 MINUTES
Alexeev081 [22]

9514 1404 393

Answer:

  • x +3x = 180
  • x = 45 . . . . . . . choice C
  • 3x = 135 . . . . . choice F

Step-by-step explanation:

Let x represent the measure of the original angle in degrees. Three times its measure is 3x. That will be the supplement if the sum of the two angles is 180°.

  x + 3x = 180 . . . . . . . . . equation for finding the angle

  x = 180/4 = 45 . . . . . .  divide both sides by 4

  3x = 3(45) = 135

The first angle is 45°. The second angle is 135°.

4 0
3 years ago
0.6(4-2x)=20.5-(3x+10)
solong [7]

The solution of 0.6(4-2x)=20.5-(3x+10) is x = 4.5

<u>Solution:</u>

Given, expression is 0.6 ( 4 – 2x ) = 20.5 – ( 3x + 10 )

We have to solve the above given equation for x.

Now, take the equation  

\rightarrow 0.6(4-2 x)=20.5-(3 x+10)

We have to use BODMAS rule. BODMAS means sequence of operations which is brackets, order, division, multiplication, addition and then subtraction

On solving the brackets, we get

\rightarrow 0.6 \times 4-0.6 \times 2 x=20.5-3 x-10

Now multiplication is given preference

\rightarrow 2.4-1.2 x=10.5-3 x

\rightarrow 3 x-1.2 x=10.5-2.4

Now subtraction is done

\rightarrow 1.8 \mathrm{x}=8.1

Now division is performed

\rightarrow x=\frac{8.1}{1.8}=4.5

Hence, the value of x is 4.5

5 0
2 years ago
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