Question

What value of r makes the equation true ?

1/4(4r-1)=2r+1/8


A: r=-3/8 B: r= -1/6 C: r=1/4 D: 1/2

Answer 1

just only subtitute

Answer 2

idk how since its fractions

Answer 3

First simplify left side denominator by distributive property a*(x+y) = a*x+ a*y
so 4*(4r - 1) = -------------?

Answer 4

16r - 4

Answer 5

Could you possibly take a screen shot of the original problem and share it here?

Answer 6

Yes so we have 1 /16r - 4 = 2r+1/8
Now are you familiar with cross multiplication ?

Answer 7

Cross multiplication if a /b = c / d then a*d = b*c Okay ??

Answer 8

Do you get it ?

Answer 9

noo

Answer 10

have you understood cross multiplication method ?

Answer 11

Okay or can you tell me what would be the LCD ?