Respuesta :

frozenicebladez

Answer:

X= 4

Step-by-step explanation:

18+ X= 22

X=22-18

= 4

CSMedrano

Answer:

x=4

Step-by-step explanation:

the sum of 18 and a number x

that's just 18+x

is equal to 22

that means that something=22

=22

put all together

[tex]18+x=22\\\\18-18+x=22-18\\\\x=4[/tex]

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