Question

15.Solve: x /2 – 3x/4 + 5x/6 = 21

Answer 1

Answer:

x=50.4

Step-by-step explanation:

take LCM of 2,4,6 which equals to 12 and then 6x - 9 X + 10 x = 21 now 9 x minus 10 x = x 6 x minus x upon 12 equals to 21 so 21 equals to 5 X upon 12 and then X equals to 21 into 12 upon 5 is equal to 50.4

Answer 2

Step-by-step explanation:

x /2 – 3x/4 + 5x/6 = 21

lcm =2×2×3

=12

x-3x+5=21 by 12

x-3x+5x=7 by 4

-2x+5x=7×4

3x=28

x=28/3

solved

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