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Otrada [13]
4 years ago
7

3x+15-7x=-7 solve for x

Mathematics
2 answers:
Alex Ar [27]4 years ago
6 0
You can combine like terms:(3x and -7x)
-4x+15=-7
now, we subtract 15 from both sides:
-4x=-22
finally, we divide both sides by -4
x=5.5 or 5 1/2
xenn [34]4 years ago
5 0

3x+15−7x=−7

Simplify:

3x+15−7x=−7

3x+15+−7x=−7

(3x+−7x)+(15)=−7(Combine Like Terms)

−4x+15=−7

Subtract 15 from both sides.

−4x+15−15=−7−15

−4x=−22

Divide both sides by -4.

−4x/−4=−22/−4

x=11/2

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oee [108]

Answer:

80

Step-by-step explanation:

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Sushil:Alex:Peter or 3:2:5

In this case, Sushil has 24 sweets meaning that 3 was multiplied by 8 in order to get 24. This means that we have to multiply all the numbers by 8 and and them up.

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6 0
3 years ago
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ohaa [14]

Answer:

1. 1458

2. 500 or -500

Step-by-step explanation:

1. a4=54, a5=162

r = 162/54 = 3

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2.a4=-4, a6=-100

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r = +/- 5

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3 0
4 years ago
In the figure, the horizontal lines are parallel and AB=BC=CD. If LM = 8, find JM.
hram777 [196]

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Now, JM = LM + KL + KJ

⇒ JM = LM + LM + LM

⇒ JM = 3 × LM

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5 0
3 years ago
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Marina86 [1]

Answer:

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Step-by-step explanation:

4 0
3 years ago
How many solutions is there for 8 + 9p = 9p - 7
spin [16.1K]

Answer: There are no solutions.

Step-by-step explanation: So the way you do this is by subtracting 9p from both sides, which gets you:

8 = -7

Since 8 is not equal to -7, there is no solution to this equation.

4 0
3 years ago
Read 2 more answers
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