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yanalaym [24]
3 years ago
7

How to solve 5x+8y=14 And 4x=24 by substitution

Mathematics
1 answer:
Virty [35]3 years ago
3 0
5x+8y=14 \\ 4x=24 \\ \\ \hbox{solve the 2nd equation for x:} \\ 4x=24 \\
x=6 \\ \\
\hbox{substitute 6 for x in the 1st equation:} \\
5 \times 6+8y=14 \\
30+8y=14 \\
8y=14-30 \\
8y=-16 \\
y=-2 \\ \\ \hbox{the answer:} \\ x=6 \\ y=-2
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