Respuesta :

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

−1=−20+x

Step 1: Simplify both sides of the equation.

−1=x−20

Step 2: Flip the equation.

x−20=−1

Step 3: Add 20 to both sides.

x−20+20=−1+20

x=19

Hope this helps. :)

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