Question

y + 7 = 19 -1 

x + 6 = 48 -19

y+ 34 = 23 + 22

x + 23 = 86 - 15

Answer 1

a,x+7=19-1

 x+7=18

 x     =18-7

 x     =11.

b,x+6=48-19

x+6   =29

x       =29-6

x       =23.

c,x+34=23+22

x+34   =45

x         =45-34

x         =11.

d,x+23=86-15

x+23   =71

x         =71-23

x         =48.

Answer 2

y+7=19-1

y+7=18

y=18-7

y=11

x+6=48-19

x+6=29

x=29-6

x=23

y+34=23+22

y+34=55

y=55-34

y=21

x+23=86-15

x+23=71

x=71-23

x=48

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