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ss7ja [257]
3 years ago
5

Solve the equation. 3/5K+5=7

Mathematics
2 answers:
MAXImum [283]3 years ago
7 0

Simplify 3/5k to 3k/5

3k/5 + 5 = 7

Subtract 5 from both sides

3k/5 = 7 - 5

Simplify 7 - 5 to 2

3k/5 = 2

Multiply both sides by 5

3k = 2 × 5

Simplify 2 × 5 to 10

3k = 10

Divide both sides by 3

<u>k = 10/3</u>

k0ka [10]3 years ago
4 0

3/5K+5=7

subtract 5 from both side

3/5 k = 2

multiply by 5/3

3/5 *5/3 k = 2 * 5/3

k = 10/3

in mixed number form

k = 3 1/3

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Step-by-step explanation:

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3 years ago
Solve 2(9-x) = 3 ( x +16 )
andreyandreev [35.5K]

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Step-by-step explanation:

Let's solve your equation step-by-step.

2(9−x)=3(x+16)

Step 1: Simplify both sides of the equation by distribution

2(9-x)=3(x+16)\\(2)(9)+(2)(-x)=(3)(x)+(3)(16)\\18+-2x=3x+48\\-2x+18=3x+48\\

Step 2: Subtract 3x from both sides.

-2x+18-3x=3x+48-3x\\-5x+18=48

Step 3: Subtract 18 from both sides.

-5x+18-18=48-18\\-5x=30

Step 4: Divide both sides by -5.

\frac{-5x}{-5} =\frac{30}{-5} \\x=-6

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2 years ago
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A motorboat travels 9 miles downstream (with the current) in 30 minutes. The return trip upstream (against the current) takes 90
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Option B

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