What's the difference between |-3| and -3?
1 answer:
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<span>Angles on one side of a straight line always add to 180°.
Look at the picture.
a = 180° - 134° = 46°
b = 180° - 130° = 50°
</span><span>In a triangle, the three interior angles always add to 180°.
a + b + c = 180°
c = 180° - (46° + 50°) = 180° - 96° = 84°
x° = 180° - 84° = 96°
</span>
<span>We can see that:
x = a + b
</span>
Look at the picture.
a = 180° - 134° = 46°
b = 180° - 130° = 50°
</span><span>In a triangle, the three interior angles always add to 180°.
a + b + c = 180°
c = 180° - (46° + 50°) = 180° - 96° = 84°
x° = 180° - 84° = 96°
</span>
<span>We can see that:
x = a + b
</span>
Since this equation has infinite solutions (each pair is a point on the line with equation x-6y=6), you can choose an arbitrary value for x, say 0, and deduce y:
So, (0,1) is an ordered pair (x,y) that is a solution to the equation x-6y=6.
You can repeat this process with every possible x value, and solve for the correspondent y value and find infinite pairs.