Respuesta:
a. x+15=20 b. 35+18+x=12 c. 10+x=12 d. 12-18+x=-12
x=20-15 53+x=12 x=12-10 -6+x=-12
x=5 x=12-53 x=2 x= -12 + 6
x= - 41 x=-6
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B. X=-41
C. X=2
D. X=-6
Verified answer
Respuesta:
a. x+15=20 b. 35+18+x=12 c. 10+x=12 d. 12-18+x=-12
x=20-15 53+x=12 x=12-10 -6+x=-12
x=5 x=12-53 x=2 x= -12 + 6
x= - 41 x=-6