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28 votes
28 votes
Substitute the first equation into second and solve for x

User RobrechtVM
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1 Answer

10 votes
10 votes

SOLUTION

The equations are


y=x+4,x+5+y+5=24

Substitute x+4 for y into the second equation


x+5+x+4+5=24

Solve for x


\begin{gathered} 2x+14=24 \\ 2x=24-14 \\ 2x=10 \\ x=5 \end{gathered}

Therefore the value of x is 5

User Toms
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