Write the algebraic equation for the following statement.
20 fewer students than last year. Number of students in this year is 80.
Form algebraic equations for the following statements and solve.
10 less than 4 times a number is 26. Find the number.
Write the sentence as an algebraic equation and find its solution.
Six more than a number is 30.
Form the linear equation from the following statement and then solve.
7 more than 9 times a number is 43. What is the number?