4/5x = 3
please solve for x

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5