Write an equation and solve for the variable indicated?

9. Ten plus eight times a number a equals eleven times another number d minus six. Solve for a.

10. Three fourths of a number p less two is five sixths of another number r plus five. Solve for r

Question

Mathematics

Lillie Robertson

17 February, 20:37

Write an equation and solve for the variable indicated?

9. Ten plus eight times a number a equals eleven times another number d minus six. Solve for a.

10. Three fourths of a number p less two is five sixths of another number r plus five. Solve for r

+1

Answers (1)

Know the Answer?

Dharma · Answer 1

10 + 8a = 11d - 6 ... solving for a

8a = 11d - 6 - 10

8a = 11d - 16

a = (11d - 16) / 8 or a = 11/8d - 2 <==

3/4p - 2 = 5/6r + 5 ... solve for r

3/4p - 2 - 5 = 5/6r

3/4p - 7 = 5/6r

6/5 (3/4p - 7) = r

9/10p - 42/5 = r <===

Write an equation and solve for the variable indicated?9. Ten plus eight times a number a equals eleven times another number d minus six. Solve for a.10. Three fourths of a number p less two is five sixths of another number r plus five. Solve for r

Write an equation and solve for the variable indicated?

9. Ten plus eight times a number a equals eleven times another number d minus six. Solve for a.

10. Three fourths of a number p less two is five sixths of another number r plus five. Solve for r