SOLUTION: ∠A and ∠B are supplementary angles. m ∠A is 9° less than twice m ∠B. Find m ∠A and m ∠B.
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-> SOLUTION: ∠A and ∠B are supplementary angles. m ∠A is 9° less than twice m ∠B. Find m ∠A and m ∠B.
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You can put this solution on YOUR website! x = measure of angle A (degrees)
y = measure of angle B (degrees)
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x + y = 180
x = 2y - 9
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put the system of linear equations into standard form
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x + y = 180
x - 2y = -9
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = 117
y = 63
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