How do you solve 21/4=1/2x+3x and whats the answer?

1 answer:

6 0

Hi there!

To solve is pretty easy. First, simplify.

21/4=(1/2x+3x) -> Combine Like Terms
21/4=7/2x
FLIP
7/2x=21/4

Multiply both sides by 2/7.
(2/7)*(7/2x)=(2/7)*(21/4)
x = 2/3

Hope this helps!

You might be interested in

What do we do to both sides of the equation? X-8=3

Alik [6]

Answer:

$\huge\fbox\red{a}\huge\fbox\orange{n} \huge\fbox\pink{s}\huge\fbox\green{w} \huge\fbox\blue{e}\huge\fbox\purple{r}\$

We'll add 8 to the both side of the equation on order to get the Value of x
x -8+8 = 3+8
x = 11

~ʆᵒŕ∂ཇꜱꜹⱽẻⱮë

5 0

2 years ago

Read 2 more answers

Jamie put 2 3/12pounds of green apples

yawa3891 [41]

Answer:

5 3/4

Step-by-step explanation:

So, lets add the whole numbers together and the fractions together.

2+3=5

3/12+5/12=8/12

8/12 can be simplified to 3/4

so 5 3/4

(Please give brainliest if this helped you, I'm trying to get an achievement)

5 0

2 years ago

A family buys groceries for $154.35, including $10.37 in taxes. The bill includes $27.83 worth of items that are not taxable. Fi

mart [117]

154.35 - 10.37 = 143.98
143.98 - 27.83 = 116.15
10.37 = 116.15x
x = 0.0893

Change x to percent form to get 8.93% tax rate.

3 0

2 years ago

Y^-1 dy +ye^(cosx) sinxdx=0

olga nikolaevna [1]

Please see the answer here

http://www.wolframalpha.com/input/?i=y%5E-1%20dy%20%2Bye%5E%28cosx%29%20sinxdx%3D0

3 0

2 years ago

I mark as brainliest

noname [10]

Answer:

- 1/4

Step-by-step explanation:

8 0

2 years ago