2x+4y=6 and 7x=4+3y

Question

Solve using substitution.

Answer 1

Substitution method :

Given that :

The equations are

  ---------->(1)

Divide each side by 7

---------->(2)

Substitute the value in (1)

Apply L.C.M rule  :

Multiply 7 to each side

Apply distributive property :

Group like terms

Subtract 8 from each side

Divide each side by 34

Substitute the value in (2)

The solution of the equations are and .