write an equation that represents the weights on the hanger. 2a + 1 = 9 how can you get 2a by itself on one…

write an equation that represents the weights on the hanger. 2a + 1 = 9 how can you get 2a by itself on one side of the equation? divide both sides by 2. add 1 to both sides. subtract 1 from both sides. multiply both sides by 2.

write an equation that represents the weights on the hanger. 2a + 1 = 9 how can you get 2a by itself on one side of the equation? divide both sides by 2. add 1 to both sides. subtract 1 from both sides. multiply both sides by 2.

Answer

Explanation:

Step1: Analyze the equation

We have the equation (2a + 1=9). Our goal is to isolate (2a).

Step2: Use the subtraction property of equality

According to the subtraction property of equality, if (x + y=z), then (x=z - y). In the equation (2a+1 = 9), we can subtract (1) from both sides. [ \begin{align*} 2a+1-1&=9 - 1\ 2a&=8 \end{align*} ]

Answer:

Subtract 1 from both sides.