a)
x + 47972/75 * 600 = 512400
(x+47972)*8 = 512400
8x + 383776 = 512400
8x = 512400 - 383776
8x = 128624
x = 16078
b)
z - 30985 / 15 = 2269
z - 30985 = 34035
z = 34035 + 30985
z = 65020
( / ) это дробная черта.
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a)
x + 47972/75 * 600 = 512400
(x+47972)*8 = 512400
8x + 383776 = 512400
8x = 512400 - 383776
8x = 128624
x = 16078
b)
z - 30985 / 15 = 2269
z - 30985 = 34035
z = 34035 + 30985
z = 65020
( / ) это дробная черта.