2 years ago

How do I write (28/4) - (x+7) in written form?

Mathematics

1 answer:

a_sh-v [17]2 years ago

6 0

Answer: The quotient of 28 and 4 minus the sum of a number and 7

Step-by-step explanation:

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Solve each system using substitution or additions<br> (elimination).<br><br> -x+2y=-1<br> 5x-10y=6

NNADVOKAT [17]

Answer:

Step-by-step explanation:

L1 -x + 2y = -1

L2 5x - 10y = 6

-x + 2y = - 1 multiply by -1

x - 2y = 1 multiply by 5

5x - 10y = 5 is similar that 5x - 10y = 6

The system has no solution

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Read 2 more answers

Solve: -7 < 2x+5 < 7

kondor19780726 [428]

Answer:

$- 6 < x < 1$

Step-by-step explanation:

first things first:

$- 7 < 2x + 5 \\ - 7 - 5 < 2x + 5 - 5 \\ - 12 < 2x \\ - 6 < x$

now:

$2x + 5 < 7 \\ 2x + 5 - 5 < 7 - 5 \\ 2x < 2 \\ x < 1$

now the intersection is:

$- 6 < x < 1$

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Step-by-step explanation:

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