Can someone explain how to solve 3/4 + 7/8 + 1/2 as a mixed number in simplest form

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

What is the answer to question 11? richard simplified an expression in three steps,as shown taking 04.10 segment one exam part one (flvs)

Find the new bank account balance. old balance: $387.87 check balance: 37.75 deposit: 123.30 check: 23.08 check: 76.57