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3 years ago

X + 2 = 5x + 26 Please help

1 answer:

7 0

$x+2=5x+26$

Move all the x's to one side of the equation. This is a step necessary to solve this equation.

Subtract both sides by x.

$x+2-x=5x+26-x$
$2=4x+26$

Flip equation. We always want to have the variable written on the left side.

$4x+26=2$

Subtract both sides by 26.

$4x+26-26=2-26$
$4x=-24$

Divide both sides by 4 to finish this off.

$x=-6$

That's your answer. Have an awesome day! :)

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A triangle with two vertices located at (5, −8) and (5, 4) has an area of 48 square units. Determine one possible location of th

RoseWind [281]

Answer:x=1.5

Step-by-step explanation:

Given

Two points co-ordinates are given

A=(5,-8)

B=(5,4)

let other point be C =(x,y)

Area of triangle is given by

$A=\begin{vmatrix}5& -8&1\\5& 4&1\\x& y&1\end{vmatrix}$

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3 years ago

Determine the value of a + b in the system of equations below. <br><br> 5a + 4b = 22<br> 7a-b= 11

dexar [7]

Answer:

We have a + b as;

2 + 3 = 5

Step-by-step explanation:

Here, we want go get the value of a and b

from the second equation, we can get an expression for b

We have this as;

7a - b = 11

Thus,

b = 7a - 11

Now, from here, we can substitute the value of b into the first equation

We have this as;

5a + 4(7a - 11) = 22

5a + 28a -44 = 22

33a = 22 + 44

33a = 66

a = 66/33

a = 2

Recall;

b = 7a - 11

substituting the value of a from above;

b = 7(2) - 11

b = 14 - 11

b = 3

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2 years ago