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Anonymous
If: 3x-7+x = 5
Then: x = 3
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3 x 7 = 3 x (5 + 2) And since multiplication is distributive over addition, 3 x (5 + 2) = 3 x 5 + 3 x 2
x=6=x=5+x=13+x=20 x cannot = x+5. This question has no answer.
x+4x+5=5x+5
x + 6
5