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Ksju [112]
3 years ago
13

Can someone tell me the formula i would use for this and how to solve through?

Mathematics
1 answer:
timama [110]3 years ago
3 0
Since they are congruent, cpctc,
just set the congruent parts equal to each other. 
so 2x-20=30
and
15=3y-9
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