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4 years ago

10+8+7(-10)-(-1)

Mathematics

1 answer:

Elina [12.6K]4 years ago

5 0

Answer:

-51

Step-by-step explanation:

Let's do order of operations.

10+8-70-(-1) <- We did negative 7 times 10.

18-70-(-1) <- We did 10 plus 18.

-52-(-1) <- We did 18 minus 70

When you open the () we get:

-52--1

Negative minus a negative equals a positive.

-52+1=

-51

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3 years ago

For the school play, the advance tickets cost $3, while tickets at the door cost $5. Thirty more tickets were sold at door in ad

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Step-by-step explanation:

Given:

Let number of tickets sold in advance be 'x'.

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Also given:

Thirty more tickets were sold at door in advance

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