the 2 equal sides of an isoclase triangle are 5x+3 and 7x-7. if perimeter of the triangle is 76. find x and the third side. pls answer fast its urgent..
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Answer:
x=5 and Measure of the third side is 20
Step-by-step explanation:
5x+3=7x-7
= 5x-7x= -7-3
= -2x= -10
= 5
5*5+3 = 28 = 7*5-7
third side = 76-28+28
=20
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