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A, 3-2x=3(x+4)-x-1 B, 5x(x-1)-4(x-1)=0
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A, 3-2x=3(x+4)-x-1
B, 5x(x-1)-4(x-1)=0

User Ali Rehman
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1 Answer

2 votes

Answer:

Explanation:


\displaystyle \Large \boldsymbol{} \tt a) \ 3-2x=3(x+4)-x-1\\\\3-2x=3x+12-x-1 \\\\3-12+1=3x+2x-x \\\\4x=-8 \\\\\boxed{ \tt x=-2} \\\\\\b) \ 5x\underline{(x-1)}-4\underline{(x-1)}=0 \\\\\\(5x-4)(x-1)=0 \Longrightarrow \boxed{ \tt x_1=0.8 \ \ ; \ \ x_2=1}

User JaseC
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