21x-13x=56

solve the equation

will give brainlist if correct

You are given an amount and a percentage of change. Determine the resulting amount. $313.49 changed by 14.5%

3x-2+x+8=1/2 (9x+7-x+5)

5. Janet Gilbert is director of labs. She has some extra capacity and has contracted with some small neighboring hospitals to run some of their lab tests.

Solve 5 (a - 7) 11 = 2a - 3 (a 4)

What is the minimum amount of green wrapping paper that is required to cover the box shown? (Find the surface area.) square inches 3 in. 18 in. 11 in. Enter

Mrs. Jacobsen purchased a 5-pound package of ground beef for $12.40. She decided to use 8 ounces each day for dinner recipes. What was the cost of ground beef per meal?

If (7^2) ^p = 7^6, what is the value of p? 2 3 4 8

The population at Saint Maria High increased from 1800 students ten years ago to 1926 students last year. What was the percent increase?

A triangle is placed in a semicircle with a radius of 7cm, as shown below. Find the area of the shaded region. Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer. 7cm

What can each term of the equation be multiplied by to eliminate the fractions before solving