X+2.6=1.7
x+12=7
x+12-12=7-12 (subtract 12 from both sides)
x=-5
The correct answer is 18 hope that helped♥
Answer:
Isolating a variable means rearranging an algebraic equation so that a different variable is on its own. The goal is to choose a sequence of operations that will leave the variable of interest on one side and put all other terms on the other side of the equal sign.
Step-by-step explanation:
It is 1 because a penny is worth 1 cent.
