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trapecia [35]
3 years ago
6

How do you solve this?

Mathematics
2 answers:
ohaa [14]3 years ago
7 0
-7x -7y = 21
Y = 6

Since they are giving you the value of 6 you just plug it in the equation

-7x - 7(6) = 21
-7x - 42 = 21
+ 42. +42

-7x = 63
/-7. /-7

X = -9
sesenic [268]3 years ago
4 0
-7x-7y=21
Y=6
-7x-7×6=21
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