a) 356 + x = 858
x = 858 - 356
x = 502
b) 783 + x = 989
x = 989 - 783
x = 206
c) x - 167 = 729
x = 729 + 167
x = 896
d) x - 648 = 484
x = 484 + 648
x = 1132
e) 2x + 20 = 4
2x = 20 - 4
2x = 16
x = 16/2
x = 8
f) x/2 + 4 = 5
x/2 = 5 - 4
x/2 = 1
x = 1 . 2
x = 2
Bonita día y me podrías dar coronita por favor
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a) 356 + x = 858
x = 858 - 356
x = 502
b) 783 + x = 989
x = 989 - 783
x = 206
c) x - 167 = 729
x = 729 + 167
x = 896
d) x - 648 = 484
x = 484 + 648
x = 1132
e) 2x + 20 = 4
2x = 20 - 4
2x = 16
x = 16/2
x = 8
f) x/2 + 4 = 5
x/2 = 5 - 4
x/2 = 1
x = 1 . 2
x = 2
Bonita día y me podrías dar coronita por favor
doy coronita