Discover a wealth of knowledge at Westonci.ca, where experts provide answers to your most pressing questions. Our platform connects you with professionals ready to provide precise answers to all your questions in various areas of expertise. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.
Sagot :
The given system of equations is expressed as
-10x - 10y = 10
-2x - 5y = -19
The first step is to make the coefficients of one of the variables in each equation equal. To make the coefficient of x equal, we would multiply the first equation by 2 and the second equation by 10. It becomes
- 20x - 20y = 20 equation 3
- 20x - 50y = - 190 equation 4
We would eliminate x by subtracting equation 4 from equation 3. It becomes
- 20x - - 20x - 20y - - 50y = 20 - - 190
- 20x + 20x - 20y + 50y = 210
30y = 210
y = 210/30
y = 7
Substituting y = 7 into the second equation, it becomes
- 2x - 5 * 7 = - 19
- 2x - 35 = - 19
- 2x = - 19 + 35 = 16
x = 16/- 2
x = - 8
The solution is
(- 8, - 7)
Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Westonci.ca is here to provide the answers you seek. Return often for more expert solutions.
