Which is the first step in solving 3x - 12 = 12

You isolate the X by adding 12 on both sides of the equal sign

Step-by-step explanation: you do thus because there is a subtraction symbol so you do the opposite of that which is adding

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

3x + 4y -25 =0 represents the amount of change sianna should recieve