Question

42 - 63 | x | = 65 | x |

Answer 1

42-63x=65x
128x=42
x=42/128
x≈0,3
x≈±0,3. Т.к. по модулю берется

Answer 2

65|х|+63|х|= 42
128 |х| =42
|х|= 42/128= 21/64
Х= ± 21/64