Đáp án:
=>4(x-3)=3(x+4)
=4x-12=3x+12
=4x-3x=12+12
=x=24
chúc bạn học tốt
Giải thích các bước giải: 4(x-3) = 3(x+4)
x=3*4+4*3
x=24
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