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Leokris [45]
3 years ago
15

How many soultions have 12×+1=3(4×+1)-2​

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

Answer:

No solution

Step-by-step explanation:

12×+1=3(4×+1)-2​

Opening brackets

12x + 1 = 12x + 3 - 2

Collecting like terms

12x - 12x = 3 - 2 - 1

Since x is cancelled out. No solution

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How many solutions does the equation -9(x+6)=-9x+108 have?
elixir [45]

Answer:

No solution

Step-by-step explanation:

Simplify the equation to solve for x.

-9(x+6)=-9x+108  Distribute

-9x-54=-9x+108 Combine like terms

+9x       +9x

0-54=108 Combine like terms

 +54  +54

0=162 No solution

4 0
3 years ago
A 20-gallon salt-water solution contains 15% pure salt. How much pure water should be added to it to produce a 10% solution?
Elanso [62]

15% of 20 gal = 0.15 * 20 gal = 3 gal, so the solution contains 3 gal of salt.

If we add <em>x</em> gal of water to the solution, we end up with (20 + <em>x</em>) gal of solution. We want the new mixture to have a concentration of 10%, or

10% of (20 + <em>x</em>) gal = 0.1 * (20 + <em>x</em>) gal = 2 + 0.1<em>x</em> gal

of salt.

The amount of salt in the tank hasn't changed. Solve for <em>x </em>:

2 + 0.1<em>x</em> = 3

0.1<em>x</em> = 1

<em>x</em> = 10 gal

3 0
3 years ago
Gerard has $30 to spend on lunches this month. Lunch costs him $1.50 each day. After Gerard buys lunch for 8 days, which stateme
Harrizon [31]
What i did is that i did $1.50 time 8 = $12.00 and then do $30.00-12.00=$18.00 
6 0
3 years ago
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Suppose the average farm owned by the farmers who joined Shays' Rebellion had an area of
zloy xaker [14]

Answer:

d would be the answer

Step-by-step explanation:

i took the test

8 0
3 years ago
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