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12x - 5 = 8x - x + 50 Help please show work and check the solution

12x - 5 = 8x - x + 50 Help please show work and check the solution
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12x - 5 = 8x - x + 50
Help please show work and check the solution

User Arlene
by
7.7k points

1 Answer

2 votes

Answer:

x = 11

Explanation:


12x - 5 = 8x - x + 50 \\ 12x - 5 = 7x + 50 \\ 12x - 5 - 7x = 7x + 50 - 7x \\ 12x - 7x - 5 = 50 \\ 5x - 5 = 50 \\ 5x - 5 + 5 = 50 + 5 \\ 5x = 55 \\ x = 11

and check:


12(11) - 5 = 8(11) - (11) + 50 \\ 132 - 5 = 77 + 50 \\ 127 = 127

User Spozun
by
8.0k points
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