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What are the steps to solve 5x+7+3x-4=?
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12 votes
What are the steps to solve 5x+7+3x-4=?

User Habnabit
by
3.3k points

2 Answers

12 votes
Answer:
8x + 3

Step-by-step explanation:
5x + 3x = 8x
7 + -4 = 3
User Frederic Conrotte
by
3.6k points
10 votes

Answer:

x= -3 / 8

Step-by-step explanation:

5x+7+3x-4=0

Sum 5x and 3x

8x+7-4=0

Subtract 7-4

8x+3=0

Move the constant to the other side and change his symbol with his opposite

8x=-3

8 is multiplying x, the opposite of multiplying is dividing, so it divide the -3 (under it)

x= -3 / 8

User Marc Guerin
by
3.6k points
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