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Radda [10]
4 years ago
12

Solve x/2-9=4x+5. (SHOW WORK)

Mathematics
1 answer:
Anna11 [10]4 years ago
6 0
X/2-9=4x+5  times both sides by 2 and you'd get 8x+10=x-18   x/2 times 2/1 gives you just x.  so now you have 8x+10=x-18 minus 10 from both sides you get 8x=x-28  minus x from both sides you get 7x=-28 divide by 7 x=-4
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Factor: 2a^2-ab-6b^2
pogonyaev

Rewrite the expression as

2a^2-4ab+3ab-6b^2

Factor 2a from the first two terms and 3b from the last two:

2a(a-2b)+3b(a-2b)

Factor a-2b

(a-2b)(2a+3b)

5 0
3 years ago
From the set {7, 21, 63}, use substitution to determine which value of x makes the inequality true.
valina [46]

Answer:

63

Step-by-step explanation:

Assume, instead of > there was a =

In that case, x ÷ 7 = 3, then x would be 21. But we want a value that will be exceed this 21. So the only option you have is 63.

4 0
3 years ago
Help me out please! Anybody? I’m so confused
AlexFokin [52]
Vas happenin!!!

So you plug in the 3 into the equation 12-3(3)/2 + 3 [2(3)-4/3
You multiply the parentheses first
3 times 3 is 9
2 times 3 is 6
Then you plug it in again 12-9 / 2 plus 6-4/3
12-9 is 2/2 which is 1
1 plus 6-4/3
6-4 is 2
2/3 is you can stay it as a fraction or the decimal form is 1.5

1 plus 1.5 is 2.5
So your answer in decimal form is 2.5
Fraction form is 2 1/2

Hope this helps *smiles*
Sorry if it’s wrong
8 0
3 years ago
Read 2 more answers
Which of the following numbers is rational? <br><br> -9<br> 5/8<br> 0<br> all of above
Ivenika [448]
They are all rational
8 0
3 years ago
Read 2 more answers
Write the point-slope form of the equation of the line through the given
Marat540 [252]

Answer:

y+3 = -2(x)

Step-by-step explanation:

The equation of the line that passes through the points

(5,-5) and (-5,-1)  is  y=-2/5x-3.

7 0
3 years ago
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