a: \(\Leftrightarrow6x=30\)
hay x=5
b: \(\Leftrightarrow6x=25+12-1=36\)
hay x=6
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a) 5x + 3x = 36 : 33.4 + 12
4x + 2x = 68 – 219 : 216
a) 5x + x = 39 – 311:39
b) 7x – x = 521 : 519 + 3.22 - 70
c) 7x – 2x = 617: 615 + 44 : 11
a) 5x + 2x = 62 - 50
b) 5x + x = 150 : 2 + 3
c) 6x + x = 511 : 59 + 31
d) 5x + 3x = 36 : 33.4 + 12
4x + 2x = 68 – 219 : 216
7x - x = 521: 519 + 3.22 - 7
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30 tháng 9 2021 lúc 21:10
7x - x = 521 : 519 + 3.22 - 7 0
tìm xa) 7x - 5 16b) 156 -2x 82c) 10x + 65 125d) 8x + 2x 25.2e) 15 + 5x 40f) 5x + 2x 6 -5g) 5x + x 150 : 2 + 3h) 6x + 3x 5 : 5 + 3i) 5x + 3x 3 : 3 . 4 + 12j) 4x + 2x 68 - 2 :2k) 5x + x 39 - 3 : 3l) 7x - x 5 : 5 + 3.2 - 7m) 7x -2 x 6 : 6 + 44 : 11n) 0 : x 0 o) 3x 9p) 4x 64q) 2x 16r) 9x - 1 9s) x4 16t) 2x : 2 1ai nhanh mk tick cho !!!!!!!
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tìm x
a) 7x - 5 = 16
b) 156 -2x = 82
c) 10x + 65 = 125
d) 8x + 2x = 25.2
e) 15 + 5x = 40
f) 5x + 2x = 6 -5
g) 5x + x = 150 : 2 + 3
h) 6x + 3x = 5 : 5 + 3
i) 5x + 3x = 3 : 3 . 4 + 12
j) 4x + 2x = 68 - 2 :2
k) 5x + x = 39 - 3 : 3
l) 7x - x = 5 : 5 + 3.2 - 7
m) 7x -2 x = 6 : 6 + 44 : 11
n) 0 : x = 0
o) 3x = 9
p) 4x = 64
q) 2x = 16
r) 9x - 1 = 9
s) x4 = 16
t) 2x : 2 = 1
ai nhanh mk tick cho !!!!!!!
5x + 2x =62 - 50
5x + x = 150 : 2+ 3
6x + x = 511 : 59 - 31
5x + 3x = 36 ; 33 .4 +12
4x + 2x = 68 - 219 : 2 16
5x + x = 39 - 311 : 39
7x - x = 521 : 519 + 3. 22 - 70
7x - 2x = 617 : 615 + 44 : 11
Bài 1:Tìm x
a) 5x+x=39-3^11:3^9
b) 7x-x=5^21:5^19+3.2^2-7^0
c) 7x-2x =6^17:6^15+44:11
a , 4x + 2x = 68 - 219 : 216
b , 5x + x = 39 - 311 : 39
c , 7x - x = 521 : 519 + 3.22 - 70
d , 7x - 2x = 617 : 615 + 44 : 11
7x-2x=617:615+4:11