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3 years ago

2x=84 what is the value of x

Mathematics

2 answers:

gogolik [260]3 years ago

6 0

2x=84 is a one step equation so all u need to do is divided both sides by 2 so the variable can be by itself, so x=42

serg [7]3 years ago

3 0

Answer:

Step-by-step explanation:

Since 2x is multiplication, you have to do the inverse (opposite) of that. The opposite of multiplication is division. You have to divide 2 with 84 to find x.

2x=84

---- ----

2 2

x=42

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$\text{\underline{A N S W E R : }}$

$t = -1400$

$\boxed{\text{EXPLANATION :}}$

Multiply the numbers.

$4$ · $2 - 1$ · $\frac{t}{5} = 288$

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Combine multiplied terms into a single fraction.

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$8$ $+$ $\frac{-t}{5} = 288$

Subtract 8 from both sides of the equation.

$8 + \frac{-t}{5} = 288$

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Multiply all terms by the same value to eliminate fraction denominators.

$\frac{-t}{5} = 2 8 0$

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Cancel multiplied terms that are in the denominator.

$5$ · $\frac{-t}{5} = 5$ · $280$

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Multiply the numbers.

$-t = 5$ · $280$

$- t = 1400$ .

Divide both sides of the equation by the same term.

$- t = 1400$

$\frac{-t}{-1} =\frac{1400}{-1}$

Simplify.

$t = - 1400$

Solution.

$- 1400$ .

$\textit{ Hope It Helped! }$

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