A rational expression is a ratio of two polynomials. To add or subtract two rational expressions with the same denominator, we simply add or subtract the numerators and write the result over the common denominator. When the denominators are not the same, we must manipulate them so that they become the same.
Answer:0,4
Step-by-step explanation: are there multiple choice answers because I wasn’t to make sure this answer is correct
I can’t answer this question because I can’t see the model
30x + 42 = 6(5x + 7) you can understand it now
Answer:
x = -5
Step-by-step explanation:
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