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Mathematics 16 Online
OpenStudy (anonymous):

solve for y: 4x-2y=12

OpenStudy (anonymous):

solve for y

Nnesha (nnesha):

first you have to move 4x on right side

Nnesha (nnesha):

4x is positive on left side what is opposite of positive ???

OpenStudy (anonymous):

its negative

Nnesha (nnesha):

so subtract 4x both side

OpenStudy (anonymous):

ok but then what would happen to the -2

Nnesha (nnesha):

what you get after subtract 4x ???

OpenStudy (anonymous):

the 4's cancel out and you should get x=8 or 8x one of those two

Nnesha (nnesha):

you have to subtract \(\color{blue}{4x}\) not only 4

Nnesha (nnesha):

|dw:1417390869591:dw|

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