Use vertical pipes around the value.
Example:
abs(-4) = |-4| = 4
Answer:
(2n - 7) - 10
Step-by-step explanation:
(2n - 7) represents "difference of 2 times a number and 7"
- 10 represents "10 less"
All 3 equations the Answer is v= 13/2
Solving for variables in formulas helps develop basic math skills and also pushes students to think critically. Also, there are many formulas that solve for useful things in science, math, business, and engineering. These formulas sometimes require people to solve for certain variables.