Respuesta :
Answer:
- (4, 2)
Step-by-step explanation:
Given system:
- x + y = 6
- 6x - 5y = 14
Solve by elimination, multiply the first equation by 5 and add up equations:
- 5x + 5y + 6x - 5y = 5*6 + 14
- 11x = 44
- x = 4
Find y:
- 4 + y = 6
- y = 6 - 4
- y = 2
Answer:
x = 4
y = 2
Step-by-step explanation:
Rewrite x + y = 6 to make y the subject:
⇒ y = 6 - x
Substitute y = 6 - x into 6x - 5y = 14 and solve for x:
⇒ 6x - 5(6 - x) = 14
⇒ 6x - 30 + 5x = 14
⇒ 11x - 30 = 14
⇒ 11x = 44
⇒ x = 4
Substitute x = 4 into x + y = 6 and solve for y:
⇒ 4 + y = 6
⇒ y = 2