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Sagot :
[tex]-2(8m+8)=-16_{\text{ }}step_{\text{ }}1[/tex]
using distributive property:
[tex]-16m-16=-16_{\text{ }}step_{\text{ }}2[/tex]add 16 to both sides:
[tex]\begin{gathered} -16m-16+16=-16+16 \\ -16m=0_{\text{ }}Step_{\text{ }}3 \end{gathered}[/tex]Therefore, the errors are between steps 2 and 3
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[tex]5(1+4h)+2h=27[/tex]Use distributive property on the left hand side:
[tex]\begin{gathered} 5\cdot1+5\cdot4h+2h=27 \\ 5+20h+2h=27 \end{gathered}[/tex]Add like terms:
[tex]\begin{gathered} 5+(20h+2h)=27 \\ 5+22h=27 \end{gathered}[/tex]Subtract 5 from both sides:
[tex]\begin{gathered} 5+22h-5=27-5 \\ 22h=22 \end{gathered}[/tex]divide both sides by 22:
[tex]\begin{gathered} \frac{22h}{22}=\frac{22}{22} \\ h=1 \end{gathered}[/tex]
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