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expeople1 [14]
3 years ago
8

Please answer ALL question or some ASAP

Mathematics
1 answer:
lesantik [10]3 years ago
3 0

I believe that you have to multiply the base by the height

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Y=3x+14<br> 2x-3y=-14<br> Substitution method
Montano1993 [528]

Answer:

x = -8

Step-by-step explanation:

y = 3x + 14

2x - 3y = -14

So, what is the substitution? Y of course, this is because y is equal to 3x + 14.

2x - 3 (3x + 14) = -14

Multiply 3 with the numbers in the parentheses.

2x - 9x + 42 = -14

So you maybe be wondering why it is a negative 7 instead of subtracting 9 with 2. Using PEMDAS, we always read from left to right. So it is basically 2 -9 and you get -7.

-7x + 42 = -14

Then subtract 42 from both sides.

-7x + 42 - 42 = -14 - 42

Simplify

-7x = -56

Divide 7 by both sides.

-7x / 7 = -56 / 7

x = -8

And you might ask, why we get x instead afterwards. This is because both -7 and 7 cancel each other out leaving us with x.

4 0
3 years ago
Read 2 more answers
PLS HELP ME <br> what is the equation I really need it
son4ous [18]

Answer:

2,1 ig

Step-by-step explanation:

8 0
3 years ago
What is the value of x in the equation X - 2.6 = 1.8?
Ivenika [448]

Step-by-step explanation:

Given

x - 2.6 = 1.8

x = 1.8 + 2.6

x = 4.4

Hope it will help :)

7 0
2 years ago
Read 2 more answers
Can someone please help me please I really need help please help me.
kvv77 [185]

Answer:

Step-by-step explanation:

I can't get to act correctly either.

The answer is 1 day and 7 items.

Ariana

y = 5x + 2

Julie

y = 7x

The ys have to be the same so equate the right hand side.

7x = 5x + 2                      Subtract 5x from both sides.

7x - 5x = 5x - 5x + 2

2x = 2                             Divide by 2

2x/2 = 2/2

x = 1

1 day

7 items

6 0
3 years ago
Solve x - 6x = 40 by factoring. What is<br> the solution?
marta [7]

Answer:

x=-8

Step-by-step explanation:

collect like terms

-5x=40

divide both sides of the equation by -5

so the answer would be x=-8

7 0
3 years ago
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