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Please help! i don't understand

Please help! i don't understand
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1 vote
Please help! i don't understand

Please help! i don't understand-example-1
User Nicolai Harbo
by
7.6k points

1 Answer

7 votes
(6x+30)° = (9x-15)°
-30 -30
(6x)° = (9x -45)°
-9x -9x
-3x = -45
÷-3 ÷-3
x = 15
User Bkeepers
by
8.6k points
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