Explanation:
hope it helps.u........
4 is added to each number
A/q ,
5x+4/6x+4 = 7/8
Now , cross multiply
7/6x + 4) = 8 (5x + 4 )
42x + 28 = 40x + 32
42x - 40x = 32 - 28
2x = 4
x= 4/2
x= 2
answer :
5x = 10
6x = 12
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