3(2x+5) = 3x + 4x
What is the solution?

15

Step-by-step explanation:

Step 1:

3 ( 2x + 5 ) = 3x + 4x     Equation

Step 2:

6x + 15 = 7x     Combine Like Terms/Multiply

Step 3:

15 = 7x - 6x        Subtract 6x on both sides

15 = x

Hope This Helps :)

how am i supposed to answer

step-by-step explanation:

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )