3 years ago

What is the solution for the equation 4x − 10 = 2x? x = . (Input whole number only

Mathematics

1 answer:

Nataly_w [17]3 years ago

4 0

Minus 2x both sides
2x-10=0
add 10 both sides
2x=10
divide by 2
x=5

You might be interested in

A cash register contains $10 bills and $100 bills with a total value of $2010. If there are 30 bills total, then how many of eac

finlep [7]

Answer:

there will be 19 $100 bills

and 11 $10 bills

Step-by-step explanation:

$100*19=1900\\10*11=110\\1900+110=2010$

7 0

3 years ago

Read 2 more answers

Hi I really need help with this question please,

Mrrafil [7]

Answer:

${ ( \sqrt{30 - x} )}^{2} = {x}^{2} \\ 30 - x = {x}^{2} \\ \\ {x}^{2} + x - 30 = 0 \\ delta = 1 - 4 \times ( - 30) \times 1 = 121 \\ x1 = \frac{ - 1 + \sqrt{121} }{2 \times 1} = \frac{ - 1 + 11}{2} = 5 \\ x2 = \frac{ - 1 - \sqrt{121} }{2 \times 1} = \frac{ - 1 - 11}{2} = - 6 \\$