Respuesta :
Answer:
9
Step-by-step explanation:
r+8r+11=29
9r+11=29
9r=29-11
9r=18
r=18-9
r=9
HOPE IT HELPS YOU
STAY SAFE AND ENJOY YOUR DAY
hello there I can help you
[tex] = \: \: \: \: r = 2[/tex]
hope it helps
#carry on learning
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