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swat32
3 years ago
7

7(x -3)=4(x+5) solve for X thanks!!

Mathematics
2 answers:
kozerog [31]3 years ago
7 0

\text{Hello there!}\\\\\text{Solve for x:}\\\\7(x -3)=4(x+5)\\\\\text{Distribute the 7 to the variables inside the parenthesis}\\\\7x-21=4(x+5)\\\\\text{Distribute the 4 to the variables inside the parenthesis}\\\\7x-21=4x+20\\\\\text{Subtract 4x from both sides}\\\\3x-21=20\\\\\text{Add 21 to both sides}\\\\3x=41\\\\\text{Divide both sides by 3}\\\\x=41/3\\\\\boxed{\text{x = }\frac{41}{3}}}

Alisiya [41]3 years ago
6 0

Answer:

13.66

Step-by-step explanation:

In the picture above

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400 reduced by twice my age is 210
Pavlova-9 [17]

Answer:

your age is 95

Step-by-step explanation:

so what minus 400 gets you 210? 190 so you took 190 away from 400 or reduced it by 190 and got 210 but you said that it was twice your age so we can do the inverse of times 2 which is divided by 2 and you would get 95.

8 0
3 years ago
1
Brrunno [24]
The answer to the question is B
6 0
3 years ago
Please include the steps that took you to get your answer. I am very confused on what to do with the 1/2.
Juliette [100K]

First let's review how to expand this!

(ax+b)^2=a^2*x^2+2abx+a^2

In this case

(2x^2+1/2)^2=2^2*x^2+2*1/2*2x+(1/2)^2

=4x^2+2x+1/4

Done!

8 0
3 years ago
Directed line segment overline FG has endpoints F(4, 9) and G(- 8, - 9) .On the coordinate plane below , plot a point that parti
Thepotemich [5.8K]

Answer:

The coordinates of the point that makes the division in the given ratio is (0,3)

Step-by-step explanation:

Here, we want to find the point on the line segment that divides the line segment in the ratio 1:2

We simply use the internal division formula

That would be;

(x,y) = (nx1 + mx2)/(m + n) , (ny1 + my2)/(m + n)

m = 1 and n = 2

(x1,y1) = (4,9)

(x2,y2) = (-8,-9)

Substituting these values into the formula, we have;

2(4) + 1(-8)/(1 + 2) , 2(9) + 1(-9)/(2 + 1)

= (8-8)/3 , (18-9)/3

= (0,3)

5 0
3 years ago
ASAP<br> X+ 5=1<br> options :<br> X=-6<br> X= 6
Gnoma [55]
Answer: X = -6

-6 + 5 = 1
7 0
3 years ago
Read 2 more answers
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