alyssa102220
alyssa102220
22-01-2021
Mathematics
contestada
1) 2 -7-19 2) +5=12 3)x-5=4
Respuesta :
manlo31
manlo31
22-01-2021
1) 2 -7-19
2x=19+7
2x=26
X=13
2) +5=12
-x/3+5=12
-x+15=36
-x=36-15
-x=21
X=-21
3)x-5=4
3x-20=16
3x=16+20
3x=36
X=12
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