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AveGali [126]
3 years ago
9

15 - 2x = -7x How do you solve this? Plz show step-by-step if possible no picture. Thank you! :)

Mathematics
2 answers:
zhenek [66]3 years ago
8 0

Answer:

= − 3

Step-by-step explanation:

15−2x=−7x

− 2 + 15 = −7

−2+15−15=−7−15

−2=−7−15

so 1 . you rearrange the terms

     2. subtract 15 from both sides

     3 simpfly  subtract the number

Fudgin [204]3 years ago
3 0

Answer:

You will move - 2x to the other side to gather factores x with considering change the sign because the changing in side so it will became

15=2x-7x

15=-5x

To find x you need to remove its variable -5 and that happen by devided it just basic algebra

X=15/-5

X=-3

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Step-by-step explanation:

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7 0
3 years ago
1. What is the positive solution to this equation?<br> 6x2 - 18x = 24
Orlov [11]

Answer:

x = -4

Step-by-step explanation:

Lets work on this :D

(6x × 2) - 18x = 24

=>12x - 18x = 24

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8 0
3 years ago
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baherus [9]

Answer:

what is the problem?

Step-by-step explanation:

3 0
3 years ago
Your supposed to find the angle of the triangle but I know the answer 145 but I want to know how you get the answer
Inga [223]
A straight line adds up to 180
So the line opposite of 137 should add up to 180
This gives us the equation 137+x=180 then x=43

The triangle also adds up to 180 degrees
So 102+43+x=180
The equation can be simplified to 145+x=180 therefore x=35


So x+?=180  because it is a straight line.
We can substitute x in making the equation 35+?=180
Now we want to solve for the ? so we'll subtract 35 from each side 
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So we now know that the ?=145

4 0
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Answer:

41

Step-by-step explanation:

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