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Systems of Equations : Elimination and Substitution

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A-Solve:
4x=3y-6
4y=3x+1

b-Solve:
3x+4y=8
y=-3x+2.

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Solution Summary

Systems of equations are solved by elimination and substitution and the details are provided in the solution.

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a.
4x=3y-6 implies 4x-3y=-6 (1)
4y=3x+1 implies -3x+4y=1 (2)
(1)*3+(2)*4, we get -9y+16y=-18+4, ...

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