3x+2=0
3x=-2
x=-2/3
8x-5=x-40
8x-x=-40+5
7x=-35
x=-35/7
x=-5
7t+21=t-3
7t-t=-3-21
6t=-24
t=-24/6
t=-4
9+13y=35+26y
13y-26y=35-9
-13y=26
y=-26/13
y=-2
6x+(3x-2)=14
6x+3x-2=14
9x=14+2
9x=16
x=16/9
8y-(7y-142)=51
8y-7y+142=51
y=51-142
y=-91
(6x+1)-(3-2x)=14
6x+1-3+2x= 14
8x=14-1+3
8x=16
x=16/8
x=2
(6-2x)+4=-5x-3
6-2x+4=-5x-3
-2x+5x=-3-6-4
3x=-13
x=-13/3
9499-9599-9699-9799-9899-9999
(22167-8+36713+40941*7+26278*6):55903 = <span>9</span><span>
1. 40941 * 7 = 286587
2. </span>26278 * 6 = <span>157668
3. </span>22167 - 8 = <span>22159
4. </span> 22159 + 36713 = <span>58872
5. </span> 58872 + 286587 = <span>345459
6. </span>345459 + 157668 = <span>503127
7. </span>503127 : 55903 = 9
Знаю 429
1)-4,4 -5,4 -5,7
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