2 years ago

Solve the equation 3(x-4)=12x

Mathematics

1 answer:

sineoko [7]2 years ago

3 0

Answer:

X= -4/3

Step-by-step explanation:

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$y=3x+13 \\
2x=y-9 \ \ \ |-y-2x \\ \\
y=3x+13 \\
\underline{-y=-2x-9} \ \ \ \hbox{add the sides} \\
y-y=3x-2x+13-9 \\
0=x+4 \\
x=-4 \\ \\
y=3x+13=3 \times (-4)+13=-12+13=1 \\ \\
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