Obtain an equivalent system by performing the stated elementary operation on the system. Multiply the third equation by $$ \frac{1}{5} $$. $$ 9x + 14y + 10z = 63 $$ $$ 7x - 6y - 3z = 63 $$ $$ 5x - 12y - 11z = 40 $$ $$ 9x + 14y + 10z = 63 $$ $$ 7x - 6y - 3z = 63 \rightarrow $$ $$ 5x - 12y - 11z = 40 $$ (Type integers or simplified fractions.)
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The operation is to multiply the third equation by $$ \frac{1}{5} $$. The given system of equations is: 1) $$ 9x + 14y + 10z = 63 $$ 2) $$ 7x - 6y - 3z = 63 $$ 3) $$ 5x - 12y - 11z = 40 $$ Step 2: We need to perform the operation on the third equation. Multiply Show more…
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