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2x+5x+5=180 so x has to be 25
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Step-by-step explanation:
y=2x+4
If the line has a slope of two, that means it goes up 2 on the y axis for every 1 on the x axis. So, if it goes through (1,6), then you can subtract 1 from the x axis and two from the y axis to find the y intercept, (0,4).