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swat32
3 years ago
7

PLEASE SOLVE! Also how do you properly solve them ( please include steps)

Mathematics
2 answers:
Marizza181 [45]3 years ago
6 0
1) 2x+3 = 5
-3 -3
2x =2
x=1

2) -x + 8 = 5
-8 -8
-x = -3
X=3


Virty [35]3 years ago
4 0
Here is the answer I hate typing so I just wrote it and took the picture

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What is the value of x in the equation shown below? <br> 2(x+8)-4x=10x+4
olganol [36]

Answer:

x=1

Step-by-step explanation:

Isolate the variable usually by dividing it by factors that don't contain the variable.

Hope this helps.

4 0
3 years ago
Read 2 more answers
N 2+ 6n - 16 = 0<br> Solve equation by factoring.
Naily [24]

Answer:

N = -3n+8 Brainlist please :)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Answer quickly please.
jeka57 [31]

Answer:

8.333333

Step-by-step explanation:

 3x+2(4+6x)=133

  3x+8+12x=133                      First I distibuted the 2 too the 4 and 6x

15x+8=133                                 Then I added the x es 3x and 12x

15x+8-8=133-8                         Then I subracted 8 from both sides

15x=125                                    That leaves with this

 15x/15=125/15                          Now I divide 15 from both sides to isolate x

x= 8.33333                                 that is the answer

                             check

                  3x+2(4+6x)=133

                 3*8.333333+2(4+6*8.333333)=133

                  24.999999 +2(4+ 49.999998)=133

                    24.999999+2( 53.999998)=133

                         24.999999+107.999996=133

                              132.999995=133

                       

                                 You can not get an exact answer for this problem

4 0
3 years ago
Given f(x)=5x+4, solve for x when f (x) = -6
Bingel [31]
So x=-2 after ndjsbdbbegshwoehev

4 0
2 years ago
A and b are positive integers. Find <img src="https://tex.z-dn.net/?f=-2a%2B3b" id="TexFormula1" title="-2a+3b" alt="-2a+3b" ali
lord [1]

A could be 2 while B could be 3, so -2a+3b turns into -4+9, which equals 5.

From what I know you can't really solve a a single equation with two-variables so it's just a matter of trial and error.

Just try plugging in a small number like 2 for a just to try it and you get 8b^2=72.

Divide everything by 8 to isolate b and you get that b^2=9.

Square root everything and you'll find that b=3. This is just one possible combination, I'm sure there are many more but this is obviously the one that was intended to be found.

Now that we know that a=2 and b=3 just plug them into the equation.

-2(2)+3(3)=?

-4+9=?

5

Sorry about having to use this ^ symbol, the equation maker is not working.

7 0
3 years ago
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