Question

Which of the following statements is correct given the equation: 7x+8=3(x−2)+4x

Answer 1

-14

Explanation:

7x+8=3(x-2)+4x.

Step 1 : expand the brackets on the left side of the equation.

3(x-2)+4x

3x-6 +4x

add like terms

3x +4x -6

7x-6

Step 2 : put it into the equation.

7x+8=7x-6.

Step 3: Collect like terms. The ones that look alike.

7x-7x= -8-6.

Step 4 : Use your signs

0 = -14. Therefore the answer is -14