Respuesta :

Answer: r=−7

Step-by-step explanation:

Let's solve your equation step-by-step.

−11+r=−18

Step 1: Simplify both sides of the equation.

r−11=−18

Step 2: Add 11 to both sides.

r−11+11=−18+11

r=−7

hope i helped

-lvr

Answer:

the answer is -7 to to do this u need to do the opposite of addition which is subtraction. so -18 minus -11 which is -7. to check it u add -11 plus -7

Step-by-step explanation:

hope this helps

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