3 years ago

What part of the expression below should be calculated first? 8+{22[15+(142)]}

Mathematics

1 answer:

Kruka [31]3 years ago

7 0

(14*2) then

Add 15 to that

Then

Multiply by 22

Then add 8

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2 years ago

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2 years ago

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3 years ago

Tobin is solving the equation 3(x - 1.25) = 11.25. His work is shown below.

castortr0y [4]

Answer: In the last steps, instead of multiply each side by 3, he has to divide each side by 3.

Step-by-step explanation:

Hi, Tobin makes the mistake in the last steps.

3(x-1.25) = 11.25

3x-3.75= 11.25

3x-3.75+3.75= 11.25+3.75

3x = 15

Until this step is the work ok.

Now, instead of multiply each side by 3, he has to divide each side by 3:

So:

3x /3 = 15/3

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Feel free to ask for more if needed or if you did not understand something.

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3 years ago

What part of the expression below should be calculated first? 8+{22*[15+(14*2)]}

What part of the expression below should be calculated first? 8+{22[15+(142)]}