DannyOk
DannyOk
22-05-2018
Mathematics
contestada
How do I solve this.
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Snowman000
Snowman000
22-05-2018
I hope this helps! ..............................
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moon20041
moon20041
22-05-2018
It's a straight angle which = 180 degrees.
( -7x + 12 ) + ( -8x + 48 ) = 180
combine like terms
-7x - 8x + 12 + 48 = 180
-15x + 60 = 180
-60 -60
15x = 120
(divide by -15 on both sides)
x = -8
substitute for "x" in the expression ( -7x + 12 )
After simplifying your expression youbsgiukd end up with 68 degrees for your answer.
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