a: \(\Leftrightarrow x-32=0\)
hay x=32
b: x=63
c: \(\Leftrightarrow3x=150\)
hay x=50
a) (x - 32).15 = 0
(x-32) = 0 : 15
(x-32) = 0
x = 0 + 32
x = 32
b) 315 ∶ 𝑥 = 5
x = 315 : 5
x = 63
c) 200 − 3𝑥 = 50
3x = 200 - 50
3x = 150
x = 150 : 3
x = 50
d) (x-12)+14=2.3
(x-12) + 14 = 6
(x-12) = 6 - 14
(x-12) = -8
x = -8 + 12
x = 4
a/(x-32).15=0
x-32=0:15
x-32=0
x=0+32
x=32
b/315:x=5
x=315:5
x=63
c/200-3x=50
3x=200-50
3x=150
x=150:3
x=50