Rewite pajalusta uravnenya
948 - x : 3 = 586
x : 3 = 948 - 586
x : 3 = 362
x = 362 * 3
x = 1086
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2000 : x - 40 = 60
2000 : x = 60 + 40
2000 : x = 100
x = 2000 : 100
x = 20