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Olegator [25]
3 years ago
13

Solve the system of equations 2x + 3y = 40 and –2x + 2y = 20.

Mathematics
1 answer:
Flura [38]3 years ago
7 0
2x + 3y = 40
+
-2x + 2y = 20
___________                  Adding both equations

0x + 5y  = 60
____________


5y = 60
y = 60/5 = 12

y = 12.

Since we have gotten y =12, and the only option with that is option D.

So we don't have to solve for x.

<span>The answer is D.</span>
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