johnsonsavannah johnsonsavannah

21-02-2017
Mathematics

Answered

find the value of y when x equals -20

x+3y=7

Verified Answer :

Anonymous Anonymous

21-02-2017

x=-20

Plug in -20 into the equation to get y.

-20+3y=7

3y=27

y=9

Answer Link

SuperLegend SuperLegend

21-02-2017

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

Answer Link

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