# Solving Systems of Linear Equations by Multiplication and Addition Method

8x+3y=-21

4x+5y=-7

#### Solution Preview

...s in both equations, the same.

Multiplying the equations

So let us multiply equation (2) by 2. We get

8x + 10y = -14......(3) [equation 2 is multiplied by 2 on the left and right hand side]

Now multiply equation (1) by -1. We get

- 8x - 3y = 21......(4) [equation 1 is multiplied by 2 on the left and right hand side]

Adding the equations for eliminating 'x'

Now add ...