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OpenStudy (anonymous):
3x+2+4x-5+18
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OpenStudy (lalaly):
7x+15
OpenStudy (anonymous):
Combine like terms 7x+15 and if you are solving for x then 7x=-15 x=-15/7
OpenStudy (anonymous):
You just need to combine all things in the expression that are alike. All of your apples go with apples and all of your oranges with oranges. So... 3x+2+4x-5+18 Helps to rewrite this, but keep the signs associated with the numbers 3x+4x = 7x 2-5+18 = 15 So your answer would be 7x+15
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