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GeorgeDickSoon
@GeorgeDickSoon
March 2022
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Санечка69
Verified answer
357.
2 - 3(х + 2) = 5 - 2х,
358.
3 - 5(х + 1) = 6 - 4х,
2 - 3х - 6 = 5 - 2х, 3 - 5х - 5 = 6 - 4х,
-3х - 4 = 5 - 2х, -5х - 2= 6 - 4х,
-3х + 2х = 5 + 4, -5х + 4х = 6 + 2,
-х = 9, -х = 8,
х = -9; х = -8;
359.
0,2 - 2(х + 1) = 0,4х,
360.
0,4х = 0,4 - 2(х + 2),
0,2 - 2х - 2 = 0,4х, 0,4х = 0,4 - 2х - 4,
-2х -1,8 = 0,4х, 0,4х = -2х - 3,6,
-2х - 0,4х = 1,8, 0,4х + 2х = -3,6,
-2,4х = 1,8, 2,4х = -3,6,
х = 1,8 : (-2,4), х = -3,6 : 2,4,
х = -0,75; х = -1,5.
0 votes
Thanks 1
карюндрик
357.
2-3(х+2)=5-2х
2-3х-6=5-2х
-3х+2х=5-2+6
-х=9
х=-9
358
3-5(х+1)=6-4х
3-5х-5=6-4х
-5х+4х=6-3+5
-х=8
х=-8
359
0,2-2(х+1)=0,4х
0,2-2х-2=0,4х
-2х-1,8=0,4х
-2х-0,4х=1,8
-2,4х=1,8
х=-1,8/2,4
х=-0,75
360
0,4х=0,4-2(х+2)
0,4х=0,4-2х-4
0,4х+2х=0,4-4
2,4х=-3,6
х=-3,6/2,4
х=-1,5
1 votes
Thanks 1
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Answers & Comments
Verified answer
357. 2 - 3(х + 2) = 5 - 2х, 358. 3 - 5(х + 1) = 6 - 4х,2 - 3х - 6 = 5 - 2х, 3 - 5х - 5 = 6 - 4х,
-3х - 4 = 5 - 2х, -5х - 2= 6 - 4х,
-3х + 2х = 5 + 4, -5х + 4х = 6 + 2,
-х = 9, -х = 8,
х = -9; х = -8;
359. 0,2 - 2(х + 1) = 0,4х, 360. 0,4х = 0,4 - 2(х + 2),
0,2 - 2х - 2 = 0,4х, 0,4х = 0,4 - 2х - 4,
-2х -1,8 = 0,4х, 0,4х = -2х - 3,6,
-2х - 0,4х = 1,8, 0,4х + 2х = -3,6,
-2,4х = 1,8, 2,4х = -3,6,
х = 1,8 : (-2,4), х = -3,6 : 2,4,
х = -0,75; х = -1,5.
2-3(х+2)=5-2х
2-3х-6=5-2х
-3х+2х=5-2+6
-х=9
х=-9
358
3-5(х+1)=6-4х
3-5х-5=6-4х
-5х+4х=6-3+5
-х=8
х=-8
359
0,2-2(х+1)=0,4х
0,2-2х-2=0,4х
-2х-1,8=0,4х
-2х-0,4х=1,8
-2,4х=1,8
х=-1,8/2,4
х=-0,75
360
0,4х=0,4-2(х+2)
0,4х=0,4-2х-4
0,4х+2х=0,4-4
2,4х=-3,6
х=-3,6/2,4
х=-1,5