radomes.openskiesproject.org
martinovic5 martinovic5
  • 22-04-2015
  • Mathematics
Answered

substitution


y=2x+5

x+2y=15

Verified Answer :

Panoyin
Panoyin Panoyin
  • 22-04-2015

y = 2x + 5
x + 2y = 15

    x + 2(2x + 5) = 15
x + 2(2x) + 2(5) = 15
      x + 4x + 10 = 15
            5x + 10 = 15
                  - 10 - 10
                     5x = 5
                      5     5
                       x = 1
y = 2(1) + 5
y = 2 + 5
y = 7
(x, y) = (1, 7)

Answer Link

Related Questions

Which sentence is written in the passive voice ATed grunted in frustration at how many email messages were currently in his inbox BThe young woman sang passiona
what oceans surround Asia
5698745231298343
Which did not occur in the Haymarket Square incident A A peaceful labor rally ended with a bomb exploding B Workers at the rally admitted planting a bomb C Rall
not sure if this is a physics question but how do I find the formula using ohms lawany one
You need 2 eggs for a muffin recipe that makes 12 muffins If you want to make 36 muffins what should you do
how to find volume of triangular prism
the component of exercise thats most often overlooked is
Divide 33 into two groups so the ratio is 4 to 7 what is the answer
What is the solution to the proportion X45818 Answers A X16 B X20 C X35 D X10125