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mario62 [17]
3 years ago
13

There are two approaches to solving the equation -3x + 10 = 4x - 20

Mathematics
2 answers:
rosijanka [135]3 years ago
7 0

Answer:

You can take this equation into two approaches.

#1 subtracting 4x from both sides:

-3x+10=4x-20 (subtract 4x from each side)

-7x+10=-20 (then subtract 10 from each side)

-7x=-30 (then divide by -7 to get x by itself)

x=30/7

#2 Add 3x to both sides:

-3x+10=4x-20 (Add 3x to both sides)

10=7x-20 (then add 20 to each side)

30=7x (divide both sides by 7)

30/7=x

Either way you do it you will get x=30/7 as your answer.

Hope this helps ;)

ycow [4]3 years ago
6 0

Answer:letter c x=30/7

Step-by-step explanation:

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