x + 18 = -29 solve for x

To solve these kinds of equations, we want to isolate x on one side of the equation (one side of the equation should ONLY have x on it).
In order to isolate x, we can add, multiply, subtract, or divide the equation by any numbers we choose

In this case, we'll need to get rid of 18 from the left side, so let's subtract 18 from both sides to remove it from the equation

Whenever we want to do an operation to the equation, we need to do it to BOTH sides, as if we do it to only one, the equation won't hold true anymore; for example, if we had the equation x-6=1, and then decided to add 6 to only the left side, the equation then becomes x=1, which if we plug 1 as x back into the equation, we'll find that it is incorrect (we don't end up with a true statement).

So let's get on with subtracting 18 from both sides:
x + 18 = -29

Subtract 18 from BOTH sides

x+ 18 = -29
-18 -18
_______________

x=-29-18
Subtract 18 from -29

x = -47, which is our solution
Hope this helps!
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