nannagarvey9945
05.08.2021 •
Mathematics
X+8y=4
x/2+3/y=13
solve the simultaneous equationsasap faster!!!
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Ответ:
148/7 or
Step-by-step explanation:
29/4 + 29/7 + 39/4 = 29×7/4×7 + 29×4/7×4 + 39×7/4×7 = 203/28 + 126/28 + 273/28 = 329/28 + 273/28 =
592/28
÷4 ÷4
= 148/7 (GCF)
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First cross multiply to the LCD(least common denominator or the multiple that the numbers have in common so they have the same denominator, and can be added).
Then add the numerators together and divide by the common denominator.
To simplify the fractions, find the greatest common factor.