Solve the following equations 4x - 3 = 3x + y = x - y = 3, 3x + y = 2y + 5x - 12
A
x = 5, y = 2
B
x = 2, y = 5
C
x = 5, y = -2
D
x = -2, y = -5
E
x = -5, y = -2
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
4x - 3 = 3x + y = x - y = 3.......(i)
3x + y = 2y + 5x - 12.........(ii)
eqn(ii) + eqn(i) 3x = 15
x = 5
substitute for x in equation (i)
5 - y = 3
y = 2
Source: Myschool Past Questions Archive (Record #32448)