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3 years ago

Solve 5× - 4 - × = 0 what is the answer

Mathematics

2 answers:

astraxan [27]3 years ago

7 0

Answer:

x = 1

Step-by-step explanation:

5x - 4 - x = 0

add 4 to both sides 5x - x = 4

simplify 4x = 4

divide both sides by 4 to get x = 1

Natasha2012 [34]3 years ago

5 0

Answer:

x = 1

Step-by-step explanation:

Add 4 from both sides which you add to the zero. Then, combine like terms, 5x - 1x which is 4x. Divide 4 from both sides and it equals 1.

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What are the last 2 digits of 7 to the power of 2018. This question was on a past exam paper.

Xelga [282]

Answer:

Step-by-step explanation:

Try finding pattern of last two digits of 7 to the power of some numbers.

7^1=07

7^2=49

7^3=343

7^4= 2301

7^5= 16807

so , the pattern is, 07,49,43,01

so, if we start writing all numbers from 1 to 2018 , four number in each line, 2018 will fall in the second column.

so it will have 49 as the last 2 digits [by seeing this pattern : 07,49,43,01 ]

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Step-by-step explanation:

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