The following formula is a-3-2 / x = 3 B: 2x + (12-x) = 30 C: y-3x = 3 d. 2x3 + 5 = 9

The following formula is a-3-2 / x = 3 B: 2x + (12-x) = 30 C: y-3x = 3 d. 2x3 + 5 = 9

The following expressions are for the equation of first degree with one variable
B :2x+(12-x)=30