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Mathematics 17 Online
OpenStudy (anonymous):

Solve the system of equations by substitution. What is the solution for x? 2x + y = 1 4x + 2y = -1

OpenStudy (tkhunny):

Well, do it! Solve the top equation for 'y' and use the expression obtained to substitute for 'y' in the bottom equation.

OpenStudy (anonymous):

but how could i start it could u guys help me please..

OpenStudy (anonymous):

their is no X value as there is no solution is the right..???

OpenStudy (tkhunny):

Well, that's hardly "substitution".

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