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saul85 [17]
2 years ago
9

Select the correct answer.

Mathematics
2 answers:
Dmitriy789 [7]2 years ago
8 0
The answer is option C
puteri [66]2 years ago
3 0

\large\displaystyle\text{$\begin{gathered}\sf 4x-3+5=2x+7-8x  \end{gathered}$}

\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{Simplify \ both \ sides \ of \ the \ equation. } \end{gathered}$}

  • \large\displaystyle\text{$\begin{gathered}\sf \bf{4x+-3+5=2x+7+-8x } \end{gathered}$}
  • \large\displaystyle\text{$\begin{gathered}\sf \bf{(4x)+(-3+5)=(2x+-8)+(7) \ (Combine \ like \ terms) } \end{gathered}$}

\large\displaystyle\text{$\begin{gathered}\sf \bf{4x+2=-6x+7 } \end{gathered}$}

\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{Add \ 6x \ to \ both \  sides.} \end{gathered}$}

  • \large\displaystyle\text{$\begin{gathered}\sf \bf{4x+2+6x=-6x+7+6x } \end{gathered}$}
  • \large\displaystyle\text{$\begin{gathered}\sf \bf{10x+2=7 } \end{gathered}$}

\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{Subtract \ 2 \ from \ both \ sides. } \end{gathered}$}

  • \large\displaystyle\text{$\begin{gathered}\sf \bf{10x+2-2=7-2 } \end{gathered}$}
  • \large\displaystyle\text{$\begin{gathered}\sf \bf{10x=5 } \end{gathered}$}

\large\displaystyle\text{$\begin{gathered}\sf \boldsymbol{Divide \ both \ sides \ by \ 10.} \end{gathered}$}

  • \large\displaystyle\text{$\begin{gathered}\sf \bf{\frac{10x}{10}=\frac{5}{10}   } \end{gathered}$}
  • \boxed{\boxed{\large\displaystyle\text{$\begin{gathered}\sf \bf{x=\frac{1}{2} } \end{gathered}$}}} \large\displaystyle\text{$\begin{gathered}\sf \ \ \to \ \ \boldsymbol{Answer} \end{gathered}$}

↓

\large\displaystyle\text{$\begin{gathered}\sf \bf{Verification} \end{gathered}$}

\sf{4\times\dfrac{1}{2}-3+5=2\times\dfrac{1}{2}+7-8\times\dfrac{1}{2}    }

\sf{\dfrac{4}{2}-3+5=2\times\dfrac{1}{2}+7-8\times\dfrac{1}{2}    }

\sf{2-3+5=2\times\dfrac{1}{2}+7-8\times\dfrac{1}{2}    }

Cancel 2

\sf{2-3+5=1+7-8\times\dfrac{8}{2}  }

\sf{2-3+5=1+7-\dfrac{8}{2}  }

\sf{2-3+5=1+7-4  }

\sf{-1+5=1+7-4}

\sf{4=1+7-4}

\sf{4=8-4}

\sf{4=4}

\large\displaystyle\text{$\begin{gathered}\sf \bf{Checked} \end{gathered}$}

\huge \red{\boxed{\green{\boxed{\boldsymbol{\purple{Pisces04}}}}}}

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