Find the measure of angle B if seven times the complement of angle B exceeds twice the
1 answer:
The complement of angle B is 90-x.
Now, 7 times the complement of angle B is 7*(90-x).
The supplement of angle B is 180-x.
Twice the supplement of angle B is 2*(180-x).
Here is the algebra:
7*(90-x)-2*(180-x)=220
630-7x-360+2x=220
-5x= 220+360-630
-5x=-50
x= -50/-5
x=10 degrees
Answer: 10 degrees.
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