You can put this solution on YOUR website! solve by elimination:
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Multiply each term in the first equation by -2.
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Subtract the second equation from the first. .
Hmmm...we notice that both the x- and y-terms have cancelled out. We are left with 0 = 20 which is never true. This tells us that, the system has no solutions.
Notice that when we multiplied the first equation by -2, we got
x and y have the same coefficients in both equations, so the slopes are the same. However, the y-intercepts are different (10 and -10). These lines are parallel. The lines never intersect, so the system has no solution.
