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OleMash [197]
3 years ago
5

What is can someone help 7-3+4÷2×6?

Mathematics
1 answer:
White raven [17]3 years ago
5 0

There are no parentheses or exponents, so the Order of Operations tells you to start by performing division and multiplication left to right.

7-3+4÷2×6

= 7-3+2×6

= 7-3+12

After you have done that, you perform addition and subtraction left to right.

= 4 +12

= 16

______

A Google or Bing search box will evaluate expressions such as this according to the order of operations.

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Solve the system of equations<br>y = 4x+1<br>y=2+2x-2​
Natalija [7]

Answer:

x = -1/2 , y = -1

Step-by-step explanation:

Solve the following system:

{y = 4 x + 1 | (equation 1)

{y = 2 x | (equation 2)

Express the system in standard form:

{-(4 x) + y = 1 | (equation 1)

{-(2 x) + y = 0 | (equation 2)

Subtract 1/2 × (equation 1) from equation 2:

{-(4 x) + y = 1 | (equation 1)

{0 x+y/2 = (-1)/2 | (equation 2)

Multiply equation 2 by 2:

{-(4 x) + y = 1 | (equation 1)

{0 x+y = -1 | (equation 2)

Subtract equation 2 from equation 1:

{-(4 x)+0 y = 2 | (equation 1)

{0 x+y = -1 | (equation 2)

Divide equation 1 by -4:

{x+0 y = (-1)/2 | (equation 1)

{0 x+y = -1 | (equation 2)

Collect results:

Answer:  {x = -1/2 , y = -1

5 0
3 years ago
Enter a value that is a solution the equation(x + 7^2)=169
Andrew [12]

Answer:

There's something called Mathaway and it'll help you with this

7 0
3 years ago
Solve for y when x=15<br> 4x-3y=51
Naddika [18.5K]
4x - 3y = 51, when x = 15

Plug in 15 for x.

4(15) - 3y = 51

Simplify.

60 - 3y = 51

Subtract 60 from both sides.

-3y = 51 - 60

Simplify.

-3y = -9

Divide both sides by -3.

y = -9/-3

Simplify.

y = 3

~Hope I helped!~
6 0
4 years ago
a walking path across a park is repersented by the equation y=-2x-7. A new path will be built perpendicular to this path the pat
Nezavi [6.7K]

Answer:

y + 3 = (1/2)(x + 2)

Step-by-step explanation:

The slope of the original path is -2.  Any new path perpendicular to this one will have a slope which is the negative reciprocal of -2, which here is 1/2.

Use the point-slope formula y - k = m(x - h):

y - (-3) = (1/2)(x - (-2)), or

y + 3 = (1/2)(x + 2)  represents the new path.

8 0
3 years ago
PLS HELP THIS IS HARD ANYONE PLS
marysya [2.9K]

Answer:

it's going to be the first one, (x+7,-y)

Step-by-step explanation:

take one point, A for example and count how far it moved left and right. left is negative, right is positive, do the same for y

7 0
3 years ago
Read 2 more answers
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