Asked by Jack

Angle A is three times the measure of angle B. The sum of their measures is 128 degrees. Angle B is (x + 2) degrees. Find the value of x.
Answered by Zandy
A=3B
B=(x+2)
A+B= 128

Now substitute

3B+B=128

3(x+2)+(x+2)=128
3x+6+x+2=128
4x+8=128
4x=120
x=30
Answered by Anonymous
if <A is degrees, how big is <B
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