Tìm x, biết: 3(x- 3)- 7(2x- 5) =4x
Bài 2:
a) 3(x-3)-7(2x-5)=4x
b) 6(4x-5)+(2x-1).7=2x-4
c) 3(5-8x)-4(x-3)=2(1-7x)
d) 2(6-7x)+3(4-5x)=2(3-9x)
e) 5(4-x)+7(2-3x)=17x-5
f) 6(11-2x)+4(4x+12)=4x-52
g) 12(x-5)-8-(x-1)=12(x-6)
i) 4((2-3(4x-5))+3x-5=12x-7
h) 3(6-(x-5))+x-1=7x-3
k) 12(x-3(2x-7))-3x-12=6x-7
a) 3(x-3)-7(2x-5)=4x
b) 6(4x-5)+(2x-1).7=2x-4
c) 3(5-8x)-4(x-3)=2(1-7x)
d) 2(6-7x)+3(4-5x)=2(3-9x)
e) 5(4-x)+7(2-3x)=17x-5
f) 6(11-2x)+4(4x+12)=4x-52
g) 12(x-5)-8-(x-1)=12(x-6)
i) 4((2-3(4x-5))+3x-5=12x-7
h) 3(6-(x-5))+x-1=7x-3
k) 12(x-3(2x-7))-3x-12=6x-7