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3 years ago

X+7=15 help me fasttttttt

Mathematics

2 answers:

Allisa [31]3 years ago

4 0

Answer:

x=8

Step-by-step explanation:

x+7=15

-7 -7

x=8

Mark me Brainliest?

Step2247 [10]3 years ago

4 0

Answer:

Its 8

Step-by-step explanation:

x+7=15

Subtract 7 from both sides.

x=8

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Using approciate properties find -4/7*3/5+4/7*-1/5+2/5*-4/5

slega [8]

Answer: 0.548

Step-by-step explanation:

First you need to remember the formula for PEMDAS(Parenthesis,exponents,multiplication,divison,addition,subtractio)

you can do either multiplication or divison whichever comes first, same with addition+subtraction.

the underlined means to simplify

1.-0.57x3/5+4/7x-1/5+2/5x-4/5

2.-1.71/5+4/7x-1/5+2/5x-4/5

3.-0.342+4/7x-1/5+2/5x-4/5

4.-0.342+0.57x-1/5+2/5x-4/5

5.-0.342+0.57x-0.2+2/5x-4/5

6.-0.342+0.114+2/5x-4/5

7.-0.342+0.114+0.4x-4/5

8.-0.342+0.114+-1.6/5

9.-0.342+0.114+-0.32

10.-0.228+-0.32=-0.548

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Step-by-step explanation:

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Step-by-step explanation:

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Read 2 more answers

X+7=15 help me fasttttttt​

X+7=15 help me fasttttttt