domrhodes domrhodes
  • 02-03-2017
  • Mathematics
contestada

one number is 7 more than another number. the sum is 23.

Respuesta :

wolf1728
wolf1728 wolf1728
  • 02-03-2017
A) x = Y + 7
B) x + y = 23

A) x - Y =  7
B) x + y = 23 Adding both equations
2x = 30

x = 15
y = 8



Answer Link

Otras preguntas

if a data set has 16 data values,the number of values in the upper quartile is
92x÷273x-2 simplify to an equivalent expression​
plz helpfind the value of x​
how to take care of a deep deep cut
Check Which statements explain why theories change over time? Check all that apply.
An article presents voltage measurements for a sample of 66 industrial networks in Estonia. Assume the rated voltage for these networks is 232 V. The sample mea
In the country ABCD there are 17 roads from city A to city B. From city B to C −5 roads, from A to D −4 roads and from D to C −8 roads. How many ways can you dr
An electron transport chain pumps __________ across a membrane while transferring __________ from one chemical to another. View Available Hint(s) An electron tr
What’s the net force of an object being throwing into the air
Lancaster Corp. is considering two equally risky, mutually exclusive projects, both of which have normal cash flows. Project A has an IRR of 11%, while Project