Five times the sum of a number and three is forty-five. What is this as an equation?

.4 Write each of the following as an equation, then solve. 1. The sum of six times a number, and 1, is equal to five times the number. Find the number 2. Three times a number, minus 6, is equal to two times the number, plus 8. Find the number. 3. Twice the difference of a number and 8 is equal to three times the sum of the number and 3. Twice the sum of -2 and a number is the same as the number decreased by 1/2. Find the number. 5. Five times the sum of a number and-1 is the same as 6 times the difference of the number and 5. Find the number. 6. A 25-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first piece, and the third piece is one inch more than five times the length of the first piece Find the lengths of the pieces.

2.4 Write each of the following as an equation, then solve. 1. The sum of six times a number, and 1, is equal to five times the number. Find the number 2. Three times a number, minus 6, is equal to two times the number, plus 8. Find the number. 3. Twice the difference of a number and 8 is equal to three times the sum of the number and 3.