Solve, using the method of substitution
`1.5x + 0.1 y = 6.2, 3x - 0.4y = 11.2`

Solve using the method of substitution. 5x - y = 5, 3x + y = 11

Solve, using the method of substitution 2x- 3y = 7, 5x + y = 9

Solve the following paris of linear (simultaneous) equation using method of elimination by substution: 1.5x + 0.1y = 6.2 3x - 0.4y = 11.2

Solve the folowing sysytem of equation using the method of elimnation by substitution x + y = 7 and 3x - 2y = 11.

Solve, using the method of substitution sqrt( 2)x - sqrt(3) y =1, sqrt(3) x - sqrt( 8) y = 0

Solve using the method of substitution. ( i) 2x-3y =7,5x +y=9 (ii) 1.5x+ 0.1 y =6.2,3x -0.4y=11.2 (iii) 10% of x +20% of y =24, 3x-y=20 (iv) sqrt2x -sqrt 3y =1, sqrt 3x -sqrt 8y =0

Solve the following system of equations by using the method of substitution: x+2y=-1,\ \ \ 2x-3y=12