3 years ago

If 2x+1/4 = 12/20 what is the value of x?

Mathematics

2 answers:

son4ous [18]3 years ago

8 0

Answer:

7/10 or 0.7

Step-by-step explanation:

Step 1: Cross-multiply.

2x+1 / 4 = 12 /20

(2x+1)*(20)=(12)*(4)

40x+20=48

Step 2: Subtract 20 from both sides.

40x+20−20=48−20

40x=28

Step 3: Divide both sides by 40.

40x /40 = 28 /40

x= 7 /10

Answer:

x= 7 /10

7/10 = 0.7

Paraphin [41]3 years ago

6 0

2x+1=12/5
2x=7/5
x=7/10

You might be interested in

The graph of a system of equations with the same slope and the same y intercepts will have no solutions

Jlenok [28]

Answer:

never!

Step-by-step explanation:

it has infinite numbers

5 0

3 years ago

How to simplify mixed fraction like 6 15/9

Alex

Multiply 6 by 9 (whole number by denominator)
then add that to 15 (the product to the numerator.

6 0

3 years ago

Read 2 more answers

What's bigger 5/8 or 6/9

olga_2 [115]

6/9 is bigger than 5/8

6 0

3 years ago

Read 2 more answers

Find a common solution for each system of equations:<br> y=3x+5<br> y=-5x-3

Nina [5.8K]

$\left\{\begin{array}{ccc}y=3x+5\\y=-5x-3\end{array}\right\\\\substitution\ method\\\\3x+5=-5x-3\\3x+5x=-3-5\\8x=-8\ \ \ \ \ /:8\\x=-1\\\\y=3(-1)+5=-3+5=2\\\\Solution:x=-1\ and\ y=2.$

$graphing\ method\\\\ \left\{\begin{array}{ccc}y=3x+5\\y=-5x-3\end{array}\right\\------------------\\y=3x+5\\y-intercept\ (x=0)\\y=3(0)+5=5\\(0;\ 5)\\x-intercept\ (y=0)\\3x+5=0\\3x=-5\\x=-\frac{5}{3}\\(-\frac{5}{3};\ 0)\\---------------------$
$y=-5x-3\\y-intercept\ (x=0)\\y=-5(0)-3=-3\\(0;-3)\\x-intercept\ (y=0)\\-5x-3=0\\-5x=3\\x=-\frac{3}{5}\\(-\frac{3}{5};\ 0)\\\\Solution:((-1;\ 2)\to x=-1\ and\ y=2.$

8 0

4 years ago

2x + (3)(x) + (3)(4)

S_A_V [24]

Answer:

if you were looking for the solution i think it is Solution

5 + 1 2

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers