Question

2x + 3y = 0

3x + 4y = 5

Solve for x and Y by substitution method

Answer 1

2x + 3y = 0 -- 1
3x + 4y = 5 ---2
multiplied
eq 1 with 3 and eq 2 with 2

so,
6x + 9y = 0
6x+ 8y = 5

subtract both the eq
y = -5

2x -15 = 0
2x = 15
x = 7.5