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Solve by addition ANSWER NOW
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Solve by addition ANSWER NOW

Solve by addition ANSWER NOW-example-1
User Petezurich
by
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1 Answer

5 votes
-3x + y = 3
3x + 2y = -12
-----------------add
3y = - 9
y = -9/3
y = -3

3x + 2y = -12
3x + 2(-3) = -12
3x - 6 = -12
3x = -12 + 6
3x = - 6
x = -6/3
x = -2

solution is (-2,-3)


User Dmitry Kudryavtsev
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