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3.8x-(-1-9.7x)=2.6+13.3x

Please help I don't have a clue!!

 Oct 11, 2018

Best Answer 

 #1
avatar+118608 
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\(3.8x-(-1-9.7x)=2.6+13.3x\\ 3.8x{\color{red}+}-{\color{red}1} (-1-9.7x)=2.6+13.3x\\ 3.8x\qquad +1+9.7x\quad =2.6+13.3x\\ 3.8x\qquad +9.7x +1\quad =2.6+13.3x\\ \qquad 13.5x \qquad+1\quad =2.6+13.3x\\ \text{now subtract 13.3x from both sides}\\ \qquad 0.2x \qquad+1\quad =2.6\\ \text{ Now subtract 1 from both sides }\\ \qquad 0.2x \qquad \qquad =1.6\\ \text{ Now divide both sides by 0.2 }\\ \qquad x \qquad \qquad =1.6\div 0.2\\ \qquad x \qquad \qquad =8\\ \)

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 Oct 11, 2018
 #1
avatar+118608 
+2
Best Answer

\(3.8x-(-1-9.7x)=2.6+13.3x\\ 3.8x{\color{red}+}-{\color{red}1} (-1-9.7x)=2.6+13.3x\\ 3.8x\qquad +1+9.7x\quad =2.6+13.3x\\ 3.8x\qquad +9.7x +1\quad =2.6+13.3x\\ \qquad 13.5x \qquad+1\quad =2.6+13.3x\\ \text{now subtract 13.3x from both sides}\\ \qquad 0.2x \qquad+1\quad =2.6\\ \text{ Now subtract 1 from both sides }\\ \qquad 0.2x \qquad \qquad =1.6\\ \text{ Now divide both sides by 0.2 }\\ \qquad x \qquad \qquad =1.6\div 0.2\\ \qquad x \qquad \qquad =8\\ \)

Melody Oct 11, 2018

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