A)3X – 4 = 8 A) X + 47 – 115 = 24 ; B) 10 + 2 X = 2 ( 32 – 1) ; C) 2X + 3 = 15 D)(X+ 3)

bài 6 . - DE KIEM TRA HKI TOAN 6 MOI
Lớp 6 Toán DE KIEM TRA HKI TOAN 6 MOI

BÀI 6

.

Tìm x biết:

a)3x – 4 = 8 a) x + 47 – 115 = 24 ; b) 10 + 2 x = 2 ( 3

2

– 1) ; c) 2x + 3 = 15

d)(x+ 3): 2 = 125 e)(3x- 6).3 = 3

4

f) 219- 7(x+1) = 100