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Rama09 [41]
3 years ago
7

Can someone please help me with this problem: x/7 - x/9 = 6? I need to find the value of x and how to find it. Extra points!!!

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

first treat the left hand side of the equation as a fraction.

1. x/7 - x/9

compute that and it should give you

2x/63 since the LCM of 7 and 9 is 63 and working out the fraction gives you 2x/63

2.now solve for 2x/63= 6

3.multiply by 63 both sides to eliminate the 63 from the left hand side of the equation

4.your answer should be 2x= 378

5.divide by 2 both sides and that solves x= 189

6.check if 189 fulfils the equation

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