For what value of x is line a parallel to line b?
2 answers:
The correct answer is x=20 <span>Enter 20 in the box</span> 5x+15=1155x=100x=20 and to check (5x +15) = 115 are corresponding angles(5)(20)+15 Substitute x for 20=115
Check the picture below.
now, if those two angles are corresponding, that means they're equal, therefore then
5x + 15 = 115
and surely you know what "x" is, and for that value, the angles are corresponding and therefore the lines are parallel.
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