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zavuch27 [327]
2 years ago
7

Solve for x

Mathematics
1 answer:
maw [93]2 years ago
6 0

Step-by-step explanation:

\tt{ \frac{x}{2}   -  \frac{x}{5}  = 2}

Take the L.C.M of 2 & 5. It's ' 10 '. Firstly find out the factors of 2 [ i.e 1 × 2 ] and then secondly find out the factors of 5 [ i.e 1 × 5 ]. Now , Note that while finding L.C.M of any numbers, Common numbers & Remaining numbers must be multiplied. In our case , common number = 1 & Remaining numbers are 2 & 5. Multiply them : [ 1 × 2 × 5 = 10 ].

⟶ \tt{ \frac{x \times 5 - x \times 2}{10}  = 2}

⟶ \tt{ \frac{5x - 2x}{10}  = 2}

Subtract 2x from 5x :

⟶ \tt{ \frac{3x}{10}  = 2}

Apply cross product property :

⟶ \tt{3x \times 1 = 2 \times 10}

⟶ \tt{3x = 20}

Here, We have to think about how to remove the coefficient 3. For that , Divide both sides of the equation by 3.

⟶ \tt{ \frac{3x}{3}  =  \frac{20}{3}}

⟶ \tt{x =6.67}

\pink {\boxed{ \boxed{ \tt{⇾ Our \: final \: answer :  \boxed{ \underline{ \tt{x =  \frac{20}{3}  \: or \: 6.67 }}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

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<h2>y = 7 when x = 1</h2><h2>y = 10 when x = 2</h2><h2>y = 13 when x = 3</h2>

Step-by-step explanation:

To solve this, we plug in the given values for x, 1, 2, and 3.

<h2>Scenario 1. What is y when x is 1?</h2>

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y = 3(1) + 4

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<h2>Scenario 2: What is y when x is 2?</h2>

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y = 3(3) + 4

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