Question

linear inequalities (level 2)
score: 3/5 penalty: 1 off
question
solve the following inequality for v. write your answer in simplest form.
8 - (9v - 2) ≥ v - 6 - 5
answer attempt 1 out of 2
v < □ submit answer

Explanation:

Step1: 去括号

$8 - 9v + 2\geq v - 6 - 5$

Step2: 合并同类项

$10 - 9v\geq v - 11$

Step3: 移项

$-9v - v\geq - 11 - 10$

Step4: 合并同类项

$-10v\geq - 21$

Step5: 系数化为1

$v\leq\frac{21}{10}$

Answer:

$v\leq\frac{21}{10}$