Ответ:
6x + 5 = 47
6x = 42
x = 7.26 − (3x + 2) = 9
26 − 3x − 2 = 9
24 − 3x = 9
−3x = −15
x = 5.5(x − 1) = 4x + 3
5x − 5 = 4x + 3
x = 8.
Ответ: а) x = 7; б) x = 5; в) x = 8.
6x + 5 = 47
6x = 42
x = 7.
26 − (3x + 2) = 9
26 − 3x − 2 = 9
24 − 3x = 9
−3x = −15
x = 5.
5(x − 1) = 4x + 3
5x − 5 = 4x + 3
x = 8.
Ответ: а) x = 7; б) x = 5; в) x = 8.