2 years ago

True or false: you flip the sign every time you multiply or divide when you're solving an

Mathematics

1 answer:

larisa [96]2 years ago

5 0

False. You only flip when the number you are multiplying/dividing is negative.

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What dose 2+7x=5x+14 equal

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$x=6$

Step-by-step explanation:

$2+7x=5x+14$

Subtract 2 from both sides:

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3 years ago

Translate this problem to an equation and solve. The product of 2 positive consecutive even integers is 48. What is the smaller

bonufazy [111]

Let x represent the first even integer: x = 2(k) → y = 2k
Let y represent the second even integer: y = 2(k + 1) → y = 2k + 2

x · y = 48
(2k) · (2k + 2) = 48
4k² + 4k - 48 = 0
4(k² + k - 12) = 0
4 (k + 3)(k - 2) = 0
k = -3, k = 2 (Note: POSITIVE integers so k = -3 is ruled out)

x = 2k → x = 2(2) → x = 4
y = 2(k + 1) → y = 2(2 + 1) → y = 2(3) → y = 6

The smaller number (x) is 4

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