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Alex73 [517]
3 years ago
7

Step linear equation-2a+6=18​

Mathematics
1 answer:
Darya [45]3 years ago
6 0

Answer: a = -6

Step-by-step explanation:

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How to solve (8x-30)+(6x+10)=180
lozanna [386]
Add the like terms. So I'll add the variables. 8x+6x is 14x. Now add whole numbers. 30+10 is 40. Our new expression we'll be 14x+40=180. Subtract 40 from 180. 180-40=140. Now we have the expression 14x=140. 140 divided by 14 is 10. So x is 10.
7 0
3 years ago
Plz solve I’ve been stuck on how to start it and I just can’t
AleksAgata [21]

Answer:

x and y = 0

the question looks weird and almost wrong because when you subtract the equations, you are left with nothing

Step-by-step explanation:

Multiply the top equation by 3 to make the -x a -3x instead.

Then do the top equation - the bottom equation

At this point you should be left with x

7 0
3 years ago
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Solve the system of equations by the addition method.<br><br> 5x + 2y = 1<br> 2x - 2y = -8
dolphi86 [110]

Answer:

(-1, 3)

Step-by-step explanation:

5x + 2y = 1

+

2x - 2y = -8

7x = -7

x= -1

2(-1) - 2y = -8

-2 - 2y = -8

-2y = -6

y = 3

3 0
3 years ago
X/2-8=19 what is the answer for this equation
Ilya [14]

Answer:

x=38wh + 16

Step-by-step explanation:

multiply both sides of the equation by 2

move the constant to the right

find the final solution

3 0
3 years ago
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If anyone knows how to do this please help, its for a test and I have to finish the course by 11:59 tonight
abruzzese [7]
The correct answer would be c. hope this helps
3 0
3 years ago
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