a) 42x + 19x - 16 = 144861x - 16 = 144861x = 1464x = 1464 / 61x ≈ 24
б) 936 / (8x - 17) = 24936 = 24(8x - 17)936 = 192x - 408192x = 1344x = 1344 / 192x = 7.
a) 42x + 19x - 16 = 1448
61x - 16 = 1448
61x = 1464
x = 1464 / 61
x ≈ 24
б) 936 / (8x - 17) = 24
936 = 24(8x - 17)
936 = 192x - 408
192x = 1344
x = 1344 / 192
x = 7.