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➷ 3x + 1 = 511
Subtract 1 from both sides:
3x = 510
Divide both sides by 3:
x = 170
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↬ ʜᴀɴɴᴀʜ ♡
The formula foh slope is y1-y2/x1-x2 , therefore , the slope is 6
To the nearest square foot is the same as to the nearest whole number. That would be 63.