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