December 2023 1 2 Report
encuentra el valor de la incógnita en cada igualidad y comprueba

a) 7+4+x-6=5+4
x=

b)12-8+y-3=21+4
y=

c)3+20-8-5=25+3
a=



d)20+4-10+4p=65-34
p=

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