2 years ago

Solve each system of equations by using either substitution or elimination.

1 answer:

s2008m [1.1K]2 years ago

5 0

$2p=7+q \\
6p-3q=24 \\ \\ 
\hbox{divide the second equation by 3:} \\
\frac{6}{3}p-\frac{3}{3}q=\frac{24}{3} \\
2p-q=8 \\ \\
\hbox{substitute 7+q for 2p in the equation:} \\
7+q-q=8 \\
7=8 \\
not \ true \\ \\
\boxed{\hbox{no solutions}}$

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