1.) Distributive Property: a(b+c)=ab+ac
2x+2=-2
Solve for x: subtract 2 from both sides:
2x=-4
Divide by 2 on both sides to slice for x:
x=-4/2
simplify:
x=-2
Substitute x=-2 back into the equation to make sure it satisfies the equation:
2((-2)+1)=-2
2(-1)=-2
-2=-2
Therefore, x=-2 is the answer