2 years ago

Helppppp plzzzzzzz!!!!!!!!!!!! 20+ Pts and brainliest!!!!!!

Mathematics

1 answer:

Alex Ar [27]2 years ago

6 0

Answer:

Y=3

Step-by-step explanation:

in the first to second step: -2(7-y)+4=-4 to -14-2y+4=-4, the part -2(7-y) should equal -14+2y instead of 14-2y because two negative signs add to be positive

so y should be 3

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Given:
RS ⊥ ST
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Prove:
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