All categories

3 years ago

Solve the following equation for x.

Mathematics

1 answer:

Vaselesa [24]3 years ago

7 0

Solve for x (isolate/get x by itself)

$\frac{1}{4}x-7=\frac{3}{8}x-5$ Add 5 on both sides

$\frac{1}{4}x-7+5=\frac{3}{8}x-5+5$

$\frac{1}{4}x-2=\frac{3}{8}x$ Subtract 1/4x on both sides

$\frac{1}{4}x-\frac{1}{4}x-2=\frac{3}{8}x-\frac{1}{4}x$

$-2=\frac{3}{8}x-\frac{1}{4}x$ Make the denominators the same of the fractions in order to combine them. Multiply 2 to the top and bottom of 1/4x

$-2=\frac{3}{8}x-\frac{2}{8}x$

$-2=\frac{1}{8}x$ Multiply 8 on both sides

$-2(8)=(8)\frac{1}{8}x$

-16 = x

You might be interested in

Which line contains the point (3,6)? <br><br>Am I correct with answer A? :/

netineya [11]

Replace x with 3 and y with 6 and see which equation is true.

A) y = 7x - 15

6 = 7(3) - 15

6 = 21 - 15

6 = 6

The point (3, 6) makes the first equation true, so the answer is A). Point (3, 6) does not make any other choice a true equation. Answer is definitely A).

Good job!

4 0

3 years ago

Read 2 more answers

Please answer this multiple choice question correctly for 30 points and brainliest!!

MatroZZZ [7]

Answer:

A. $3.63

Step-by-step explanation:

You can choose the correct answer simply by estimating.

The almonds are about $5.50 for each of the 2 kg, so will total about $11. Since the total amount paid is just over $25, the amount paid for cashews is about $25 -11 = $14.

That amount pays for 4 kg of cashews, so 1 kg will be half of half that amount, or about $3.50 -- certainly, less than $7.26.

_____

If you want to write an equation, you can write ...

2(5.49) +4(c) = 25.50

4c = 14.52 . . . . . . . . . . . . subtract 10.98

14.52/4 = c = 3.63 . . . . . divide by the coefficient of c

1 kg of cashews has a price of $3.63.

8 0

4 years ago

PLEASE HELP URGENT THANK YOU

Fynjy0 [20]

So far the only true statement I see is that function f is increasing whilst function g is decreasing.

I cannot say yes to the first one as there is a lack of x-intercepts.

Past the interval of 0,2, there are no changes in the line of function g as it remains the same despite the increase in y. Function f on the other hand has a rate of change.

The y-intercepts are the same (positive 2) so the third statement is out.

8 0

3 years ago

Need help with this question

Tema [17]

The ratio is width over length.

Make a fraction with the width on top and the length on the bottom:

44/70

Both numbers are even and can be divided by 2,

so the simplified fraction becomes 22/35

6 0

4 years ago

Which graph represents the solution to the system of inequalities?<br> x2 - 4y2 < 16<br> y< 2x

wel

The graph is 6-3 over 8 yw

8 0

3 years ago