Question

1. Solve the following
equations by the substitution method.
(1) 3x - 4y= 10
x+5y= -3​

Answer 1

Answer:

Step-by-step explanation:

1.3x -4y = 10

2. x+5y =-3

or, x=-3-5y

now,

3(-3-5y)-4y=10

-9-15y-4y=10

-9-19y=10

-19y=19

y=-1

again,

x=-3-5(-1)=-3+5=2