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Mathematics 9 Online
OpenStudy (nptweezy):

Help Me Please! (Pic Included)

OpenStudy (nptweezy):

OpenStudy (blurbendy):

start by multiplying (2x + 2) by 1/2

OpenStudy (nptweezy):

@blurbendy I got

OpenStudy (blurbendy):

you multiplied by 5, not 1/2 1/2 = 0.5, not 5

OpenStudy (blurbendy):

just take have of 2x and half of 2

OpenStudy (nptweezy):

ohhhh I fixed it and got x+1 @blurbendy

OpenStudy (blurbendy):

okay, now multiply (3x and -1) by -1/4

OpenStudy (nptweezy):

ok i don't know how to do that i put it in a calculator and got 1/4 (3x+1) @blurbendy

OpenStudy (blurbendy):

-1/4 * 3x = -3/4x -1/4 * 1 = -1/4

OpenStudy (blurbendy):

so you have x + 1 -3/4x - 1/4 = -3/4x + x -1/4 + 1 Combine like terms

OpenStudy (nptweezy):

x+1-3/4x + x -1/4 + 1

OpenStudy (nptweezy):

@blurbendy

OpenStudy (blurbendy):

what is (-3/4x + x) ?

OpenStudy (nptweezy):

i have no idea im confused now im just rying to find out what x is @blurbendy

OpenStudy (anonymous):

multiply by 4 on both sides and then solve brackets using distributive property.

OpenStudy (blurbendy):

you don't solve for x yet. just ask yourself what is (-3/4 + 1) ?

OpenStudy (nptweezy):

1/4 @blurbendy

OpenStudy (blurbendy):

good, so you have 1/4x + (-1/4 + 1) what is (-1/4 + 1) ?

OpenStudy (nptweezy):

3/4 @blurbendy

OpenStudy (anonymous):

\[4*\frac{ 1 }{ 2 }\left( 2x+2 \right)-4*\frac{ 1 }{4 }\left( 3x-1 \right)=4*15\] 2(2x+2)-(3x-1)=60 4x+4-3x+1=60 solve it.

OpenStudy (blurbendy):

okay, so you have 1/4x + 3/4 = 15 subtract 3/4 from both sides what is 15 - 3/4?

OpenStudy (nptweezy):

57/4 @blurbendy

OpenStudy (nptweezy):

that or 3 @blurbendy

OpenStudy (blurbendy):

okay so you have 1/4x = 57/4 multiply both sides by 4 what is 57/4 * 4 ?

OpenStudy (nptweezy):

4 @blurbendy

OpenStudy (blurbendy):

messed up our math somewhere, it should be 55/4 *4, x = 55

OpenStudy (nptweezy):

ok now I'm really confused 1/4 x equals 4 and 4*4 is 16

OpenStudy (anonymous):

x+5=60 x=60-5=55

OpenStudy (nptweezy):

thanks @blurbendy @surjithayer yall both got the answer right thank you for the help

OpenStudy (blurbendy):

np!

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