emilymt06
emilymt06
26-09-2021
Mathematics
contestada
plz help i don’t understand this type of math
Respuesta :
nabilanaji526
nabilanaji526
26-09-2021
QRS = DRS + QRD
167 = x + 143 + x + 30
167 = 2x + 173
-2x = 173 - 167
-2x = 6
x = 6/-2
x = -3
DRS = x + 143
= (-3) + 143
= 140
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