Question 906982


Solve the system by substitution.

{{{4y + 19 = x}}}
{{{3y - x = -13}}}
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{{{-x+4y = -19}}}
{{{-x+3y = -13}}}
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*[invoke linear_substitution "x", "y", -1, 4, -19, -1, 3, -13]



Solve the system by elimination.

{{{3x + 2y = 17 }}}
{{{4x - 2y = 4}}}
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*[invoke solving_linear_system_by_elimination 3, 2, 17, 4, -2, 4]