a) \(45-\left(x+10\right)=31\)
\(x+10=45-31\)
\(x+10=14\)
\(x=14-10\)
\(x=4\)
a) 45 - ( x + 10 ) = 31
x + 10 = 45 - 31
x + 10 = 14
x = 14 - 10
x = 4
a) 45−(x+10)=3145−(x+10)=31
x+10=45−31x+10=45−31
x+10=14x+10=14
x=14−10x=14−10
x=4
a) \(45-\left(x+10\right)=31\)
\(x+10=45-31\)
\(x+10=14\)
\(x=14-10\)
\(x=4\)
a) 45 - ( x + 10 ) = 31
x + 10 = 45 - 31
x + 10 = 14
x = 14 - 10
x = 4
a) 45−(x+10)=3145−(x+10)=31
x+10=45−31x+10=45−31
x+10=14x+10=14
x=14−10x=14−10
x=4
a) 70 - 5 .(x -3 ) =45
b) 156 - ( x + 61 )+82
c) 10 +2 .x = 4 mũ 5 : 4 mũ 3
d) [(10 - x ).2 +3 ];3 -2=13
a, 45 x 76 + 90 x 12
b, 2 x 31 x 12 + 4x6 x 69
c, 36 x 28 + 36 x 82 + 64 x 69 + 64 x 41
d, 156 ( x + 61 ) = 82
Tìm x , biết :
a) 14-5+x=30
b) 45-(3+x)=14
c)18+(-3+x)-(44-x)=55
d) (x-45).27=0
e) 25.(42-x)=23
g) 156-(x+61)=82
h) 70-5(x-3)=45
i) | x+2 | = -(-8)+|-7|
k) (x-2)2 = 30-2.7
bài 13: tìm x biết
a. 124 + (118 - x) = 217
b. 156- (x + 61) = 82
c. 219 - 7(x + 1) = 100
d. (3x - 6). 3 = 3^4
e. 231 - (x - 6) = 1339 : 13
tìm x
70-5 .(2x-3) =45
156 -(x cộng 61 ) =82
6.(5x cộng 35) =330
936- (4x cộng 24) =72
a) 156-(x+61)=82 b) (x-35)-120=0 c) 124-(x-118)=217 d) 2x-49=5.3^2 e) 200-(2x+6)=4^3 f) 2(x-51)=2.2^3+20 g) 4(x-3)=7^2-1^10 h) 3^2(x+4)-5^2=5.2^2 i) 9^x-1=9
Tìm số tự nhiên x, biết: 156 – (x + 61) = 82
Tìm x biết:
a/156-(x+61)=82
b/124+(18-x)=317
156-( x +61 )=82
156 - ( x + 61 ) = 82