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Mathematics 7 Online
OpenStudy (anonymous):

help with fast easy question!

OpenStudy (anonymous):

OpenStudy (anonymous):

60-2x=70-4x

OpenStudy (anonymous):

those angles equal due to interior exterior postulate or corresponding angle postulate

OpenStudy (anonymous):

add both sides by 4x for 60+2x=70

OpenStudy (anonymous):

subtract both sides by 60 for 2x=10

OpenStudy (anonymous):

then divide both sides by 2

OpenStudy (anonymous):

so 5

OpenStudy (anonymous):

10/2=5 yes.

OpenStudy (anonymous):

sweet!

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