Find the value of y when x equals -20 x+3y=7

Mathematics

2 answers:

Phantasy [73]3 years ago

5 0

X=-20

Plug in -20 into the equation to get y.

-20+3y=7

3y=27

y=9

klemol [59]3 years ago

5 0

<span>x+3y=7
Substitute -20 for x
-20+3y=7
Add 20 to both sides
3y=27
Divide 3 on both sides
Final Answer: y=9</span>

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