1. k = 880
2. х = 15
3. х = -25/68
4. m = 10
5. х = 5
6. а = 5
Пошаговое объяснение:
1 k:44=20
k = 44*20
k = 880
2 130-4x=70
4х = 130-70
4х = 60
х = 60/4
х = 15
3. 86+50:(2x)=18
2х = 50/(18 - 86)
2х = 50/(-68)
х = -50/68 : 2 = -50/68 * 1/2
х = -25/68
4. 110:m=11
m = 110/11
m = 10
5. 49-3x=34
3х = 49 - 34
3х = 15
х = 15/3
х = 5
6. 84a+25a=545
109а = 545
а = 545/109
а = 5
1. k = 880
2. х = 15
3. х = -25/68
4. m = 10
5. х = 5
6. а = 5
Пошаговое объяснение:
1 k:44=20
k = 44*20
k = 880
2 130-4x=70
4х = 130-70
4х = 60
х = 60/4
х = 15
3. 86+50:(2x)=18
2х = 50/(18 - 86)
2х = 50/(-68)
х = -50/68 : 2 = -50/68 * 1/2
х = -25/68
4. 110:m=11
m = 110/11
m = 10
5. 49-3x=34
3х = 49 - 34
3х = 15
х = 15/3
х = 5
6. 84a+25a=545
109а = 545
а = 545/109
а = 5