Question

Write two equations in standard form that are equivalent to the given equation.

1.5x+10y=15
2.-9x-12y=6
3.-2x+4y=-5

Answer 1

1.) 5x + 10y = 15 => x + 2y = 3 => 3x + 6y = 9

2.) -9x - 12y = 6 => 9x + 12y = -6 => 3x + 4y = -2

3.) -2x + 4y = -5 => 2x - 4y = 5 => 4x - 8y = 10