3 years ago

Someone please help so confused

Mathematics

1 answer:

Stolb23 [73]3 years ago

7 0

-9x-35 is the answer. I hope this helps!

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Solve for x. x= Look at image

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Answer:

$x = 14$

Step-by-step explanation:

To find x, the following equation is generated given the available information:

$\frac{(x + 7) + x)}{x + 7} = \frac{12 + 8}{12}$

$\frac{2x + 7}{x + 7} = \frac{20}{12}$

$\frac{2x + 7}{x + 7} = \frac{5}{3}$

Cross multiply

$3(2x + 7) = 5(x + 7)$

$6x + 21 = 5x + 35$

Collect like terms

$6x - 5x = - 21 + 35$

$x = - 21 + 35$

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What is the solution to the system of equations? x+y+3z=-4 2x-z=-3 -x-y-2z=5

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