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never [62]
3 years ago
7

Complete the solution of the equation. find the value of y when x equals -20. x+3y=7

Mathematics
2 answers:
Goshia [24]3 years ago
8 0

Answer:

9

Step-by-step explanation:

-20+3y=7

3y=27

y=9

mina [271]3 years ago
6 0

Answer:

y=9

Step-by-step explanation:

replace all x with -20:

3y-20=7

Move the -20 to the other side by adding 20 on both sides:

3y-20+20=7+20

Simplify:

y=9

Hope this helps!

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