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2 years ago

WHAT IS -45 - x = - 18 SHOW STEPS PLEASE ALSO FOR v - 55 = -43 AND -2 = n/10

Mathematics

2 answers:

dexar [7]2 years ago

7 0

Answer:

x = -27, v = 8, n = -20.

Step-by-step explanation:

-45 - x = -18

+45 +45

-x = 27

/-1 /-1

x = -27

v - 55 = -43

+ 55 +55

v = 12

-2 = n/10

*10 *10

-20 = n

Rus_ich [418]2 years ago

7 0

Answer:

x = -27

v = 12

n = -20

Step-by-step explanation:

1) -45 - x = - 18

- Add 45 to both sides

-45 - x + 45 = -18 + 45

Group like terms:

-x + -45 + 45 = -18 + 45

Simplify the arithmetic:

-x = -18 + 45

Simplify the arithmetic:

-x = 27

- Isolate the X

Multiply both sides by-1

-x · -1 = 27 · -1

Remove the one(s):

x= 27 · -1

Simplify the arithmetic:

x= -27

2) v - 55 = -43

1. Group all constants on the right side of the equation

v - 55 = -43

Add 55 to both sides:

v - 55 + 55 = -43 + 55

Simplify the arithmetic:

v = -43 + 55

Simplify the arithmetic:

v = 12

3) -2 = n/10

1. Swap sides

-2 = n/10

Swap sides

n/10 = -2

2. Isolate the n

n/10 = -2

Multiply to both sides by 10:

n/10 * 10 = -2 * 10

Group like terms:

1/10 * 10n = -2 * 10

Simplify the fraction:

n = -2 * 10

Simplify the arithmetic:

n = -20

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Expand the following:

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