Four times a number, subtracted from four, is twice the number. Find the number.
2 answers:
Answer:
Step-by-step explanation:
let the number be n , then
4 - 4n = 2n ( add 4n to both sides )
4 = 6n ( divide both sides by 6 )
= n
The number is
Answer:
Let the number = x
4 - 4x= 2x
4 = 2x+4x
4 = 6x
x = 4/6
x = 2/3
Step by Step explanation:
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Answer:
Two solutions (-4,-7) and (4,7)
Step-by-step explanation:
x = y + 3
x*y = 28
(y+3)*y=28
y^2+3y-28=0
(y+7)(y-4)=0
y=-7, y=4
x=-4, x=7
Answer:
770000
Step by step explanation:
Answer:
Step-by-step explanation:
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Jada has saved 60% of $60. This is a percent of number question.
First we need to know 60% of $60
Change the percent to a decimal and multiply.
.60(60) =$36 saved so far.
Answer:
there are 4 decimal places
Step-by-step explanation:
you must solve the math
