3 years ago

1) 2 -7-19 2) +5=12 3)x-5=4

Mathematics

1 answer:

nikdorinn [45]3 years ago

6 0

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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