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nickname9154
29.08.2019 •
Mathematics
Can someone me with this problem
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Ответ:
for this you simply set X = to a number
x = #
then you create the formula using numbers and symbols instead of words
now remember difference means subtraction and the symbol is -
so
five times the difference of a number and six
so we write
5 (x - 6)
the parenteces means multiplication
so we can do the multiplication and rewrite this as
5 (x) + 5 (-6)
then write it as
5x - 30
is negative ten means
= -10
so when we put the whole thing together we get
5x - 30 = -10
then we add 30 to both sides
5x - 30 + 30 = -10 + 30
the 30s on the left cancel out because a negative and positive of the same integer is always 0
and we are left with
5x = 20
remember -10 + 30 is the same as 30 - 10 so that is 20
then simply divide both sides by 5 to get the final answer
5x / 5 = 20 / 5
the / means divide
the 5s on the left cancel and you get
x = 4
the answer is 4
Step-by-step explanation: