3 years ago

If 4 is subtracted from twice a number, the result is 10 less than the number. Find the number. *

Mathematics

2 answers:

motikmotik3 years ago

8 0

Answer:

the answer is -6

Step-by-step explanation:

drek231 [11]3 years ago

8 0

Answer:

x =-6

Step-by-step explanation:

Let the unknown number be x

$2(x)-4=x-10\\\\2x -4=x-10\\\\\mathrm{Add\:}4\mathrm{\:to\:both\:sides}\\2x-4+4=x-10+4\\\\Simplify\\2x=x-6\\\\\mathrm{Subtract\:}x\mathrm{\:from\:both\:sides}\\2x-x=x-6-x\\\\Simplify\\x=-6$

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