19x - 3x + 5 = 133
16х + 5 = 133
16х = 133 - 5
16х = 128
х = 128 / 16
х = 8
—————————
19 · 8 - 3 · 8 + 5 = 133
152 - 24 + 5 = 133
128 + 5 = 133
133 = 133
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19x - 3x + 5 = 133
16х + 5 = 133
16х = 133 - 5
16х = 128
х = 128 / 16
х = 8
—————————
19 · 8 - 3 · 8 + 5 = 133
152 - 24 + 5 = 133
128 + 5 = 133
133 = 133