Question

Solve the following simultaneous equation
y = 3x -1
y = 2x +4
using
a) graphical method
b) substitution method
c) elimination method

Answer 1

Answer:

Question

,✳️Solve the following simultaneous equation

y = 3x -1

y = 2x +4

using

a) graphical method

b) substitution method

c) elimination method

Solution ⬇️

✍️y=3x-1..(1)

✍️y=2x+4...(2)

✍️ Arranging in order

✍️3x-y=1..(3)

✍️(-)2x-(+)y=(+)-4..(4) substraction of eq 4 and 3

✍️x=5

✍️ substituting value x=5 in equation 3

✍️3x-y=-4..(1)

✍️3(5)-y=-4

✍️15 - y = -4

✍️-y=-4-15

✍️-y=-19

✍️y=19

✳️(x,y)(5,19) is the solution of the given equation

Step-by-step explanation:

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