SOLUTION: a+4b=7, 3a+12b=20 a=? &b=?

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Question 1038594: a+4b=7, 3a+12b=20
a=? &b=?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
 a +  4b =  7,   (1)
3a + 12b = 20.   (2)

This system has no solution.

Note that the left side of (2) is 3 times the left side of (1),
while right sides are not in this proportion.

See the lesson Geometric interpretation of the linear system of two equations in two unknowns in this site.