Question

solve 9 4/5x+9=72 step by step​

Answer 1

Simplifying

5x + 9 = 72 + -2x

Reorder the terms:

9 + 5x = 72 + -2x

Solving

9 + 5x = 72 + -2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2x' to each side of the equation.

9 + 5x + 2x = 72 + -2x + 2x

Combine like terms: 5x + 2x = 7x

9 + 7x = 72 + -2x + 2x

Combine like terms: -2x + 2x = 0

9 + 7x = 72 + 0

9 + 7x = 72

Add '-9' to each side of the equation.

9 + -9 + 7x = 72 + -9

Combine like terms: 9 + -9 = 0

0 + 7x = 72 + -9

7x = 72 + -9

Combine like terms: 72 + -9 = 63

7x = 63

Divide each side by '7'.

x = 9

Simplifying

x = 9

Answer 2

= 4/5x + 9 = 72

= 4x + 45 = 72 × 5

= 4x + 45 = 360

= 4x = 360 - 45

= 4x = 315

= x = 315/4