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8x - 2y-120 = 0 subsitute the x with zero to find the y intercept 0x - 2y-120=0 -2y-120=0 -2y=120 y=60 substitue the y with zero to find the x intercept 8x-120=0 8x=120 x=120/8 x=15 lol hopefully i did this rite... sorry if i didnt XD i have a coordinate geometry test tomorrow... lol
80=4x, z=6x. find Z. x=80/4, x=20. z=6x20 z=120 answer= 120
y = 10x
X = 135 and y = 15 Solved by addition and substitution
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