2x+5x=35 what is x?
x= 5 substitution ...
2x5= 10
5x5= 25 10+25= 35
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5x + x - 6x + 2x = 2x
2x + 7 + 5x - 4 - x = (2x + 5x - x) + (7 - 4) = 6x + 3
Question: 2x + e = 5x - 2x 3x = e x = e/3
2x + 4x - x = 5x
5x-4=8+2x 5x-2x=4+8 3x=12 x=12/3 x=4