Question

4.2x - 1.4y =2.1 s Someone plz help me solve for y

Answer 1

4.2x-1.4y=2.1

subtract 4.2x from each side

-1.4y=4.2x+2.1

divide each side by -1.4

y=-4.2x/1.4 - 2.1/1.4

simplify

y=-3x-1.5