Answer: x = 0
y = 2
Step-by-step explanation:
The given system of equations is expressed as
x = 2y - 4 - - - - - - - - - - - -1
x + 8y = 16 - - - - - - - - - - - - 2
Substituting equation 1 into equation 2, it becomes
2y - 4 + 8y = 16
10y - 4 = 16
Adding 4 to the left hand side and the right hand side of the equation, it becomes
10y - 4 + 4 = 16 + 4
10y = 20
Dividing the left hand side and the right hand side of the equation by 10, it becomes
10y/10 = 20/10
y = 2
Substituting y = 2 into equation 1, it becomes
x = 2 × 2 - 4 = 4 - 4
x = 0
Answer:
x = 0, y = 4
Step-by-step explanation:
x = 2y - 4---------------------------Equation (1)
X + 8y = 16-------------------------Equation (2)
Substituting x = 2y - 4 in equation (2)
2y - 4 + 8y = 16
Collecting Like Terms
2y + 8y = 16 + 4
10y = 20
y = 20/10
y = 2
Substuting y=2 in equation (1)
x = 2(2) - 4
x = 4 - 4
x = 0
