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love history [14]

2 years ago

9

How many solutions does this equation have? 4(-3b - 14) = -12b

1 answer:

Serga [27]2 years ago

3 0

Answer:

no solutions

Step-by-step explanation:

distribute the 4 to get:

-12b - 56 = -12b

add 12b to each side to get:

-56 = 0

since -56 does not equal 0 there are no solutions

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Step-by-step explanation:

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We substitute x=-3 and y=-3

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$x-5y=-12$ and $3x+2y=15$

We substitute x=-3 and y=-3

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The next system is

$x-5y=12$ and $3x+2y=15$

We substitute x=-3 and y=-3

$-3-5*-3=12\ne-12$ and $3*-3+2*-3=-15$

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4 years ago