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Anonymous
x = 5
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If 5 x equals 9 plus 2x then x equals?
3x+5 = 2x+13 3x-2x = 13-5 x = 8
Simplify 4x + 3 = 2x + 8 2x = 5 x =2½
2x+5=9 2x+5-5=9-5 you leave only the x on one side. 2x=4 x=2
x=5