SOLUTION: angle a and angle b are supplementary angles and angle a is 30 degrees less than four times angle b. find the measures of angle a and angle b

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Question 346201: angle a and angle b are supplementary angles and angle a is 30 degrees less than four times angle b. find the measures of angle a and angle b
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
By definition,
A%2BB=180
.
.
.
A=4B-30
Substitute,
4B-30%2BB=180
5B-30=180
Solve for B, then go back and solve for A.