Question

Justify each step of the solution 2(x+3)+x=-9

Answer 1

x = -5

Explanation:

2(x+3)+x= -9

Distribute

2x+6+x= -9

Combine like terms

2x+6+x= -9

3x+6= -9

Subtract from both sides of the equation

3x+6= -9

3x+6 -6= -9 -6

Solution

x = -5