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OpenStudy (anonymous):
Find the value of x
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OpenStudy (anonymous):
OpenStudy (anonymous):
what is 30x+11y?
OpenStudy (anonymous):
u cant add those there not like terms
OpenStudy (anonymous):
This is an isosceles trapezium the diagonal side are equal as are the angles given
OpenStudy (anonymous):
2x+3y=12 30x+11y=112 use either substitution or eliminatation to find the values of x and y
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OpenStudy (anonymous):
[2x+3y=12]11 [ 30x+11y=112]3 22x+33-132 90x+33y-336 -90x-33y+336 -68x+204=0 68x=204 x=3
OpenStudy (anonymous):
No, both sides are 12, the angle does not need to come into this
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