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Mathematics
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|dw:1616955907374:dw|
Solve for y
do you know how many degrees has (3y+1) + (8x -61) = ?
and the same (3y +1) + (6x -13) = ? degrees
180?
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exactly so in this way you get a sistem of two equations with x and y
what you need to solve it
(3y+1) + (8x -61) = 180 (3y +1) + (6x -13) = 180 solve this system for x and y
like a first idea subtract term by term the second equation from the first equation so what will get ?
Wait does x=24 ?
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yes 2x -48 = 0 2x = 48 x = 24 perfect and now just find the y value
So then y=16?
(3y +1) + (6x -13) = 180 3y +1 +6*24 -13 = 180 y = 16 perfect
questions ?
No. Thank you for your help.
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