y=4x+8.
Simply plug in any number you wish into x and then calculate the corresponding y. For instance, if I said x was 2, then y would be 4*2+8=16 and my answer would be the ordered pair, (2,16).
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y=4x-8y=2x+10Substitute (4x-8) for y in the second equation and solve for x:4x-8=2x+102x=18x=9Now solve for y:y=4(9)-8=28(9,28)
You need to know the value of x
It is: y = -4x+12
4x