write an equation that represents the weights on the hanger. 2a + 1 = 9 what is the value of a? a =
write an equation that represents the weights on the hanger. 2a + 1 = 9 what is the value of a? a =
Answer
Explanation:
Step1: Subtract 1 from both sides
$$2a+1 - 1=9 - 1$$ $$2a=8$$
Step2: Divide both sides by 2
$$\frac{2a}{2}=\frac{8}{2}$$ $$a = 4$$
Answer:
4