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Solve 7+x/3 = 2x-5 Give all working out
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3 votes
Solve
7+x/3 = 2x-5
Give all working out

User CedX
by
2.9k points

2 Answers

4 votes
7+x/3 = 2x-5

multiply both sides by 3

21+x =6x-15

move the 6

21+x-6x = -15

move the 21

x-6x = -15-21

combine like terms

-5x = -15-21

divide both sides:

-5x = -36


answer: x = 36/5
User Seansand
by
3.4k points
3 votes
X = 36/5
Or x = 7.2


21 + x = 6x - 15
21 = 6x - 15 - x
21 = 5x - 15
21 + 15 = 5x
36 = 5x
36/5 = x
User WaeCo
by
3.0k points
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