Решите уравнения: 1. 30*y-2*y=532 2. t+6*t-5=72 3. 4*x+3*x=77 4. 19*x-3*x+5=133 5. 16*x*5*5=80*70 6. 56+8*x=7*8+2*32. Created by milos2004. matematika-ru

Решите уравнения: 1. 30*y-2*y=532 2. t+6*t-5=72 3. 4*x+3*x=77 4. 19*x-3*x+5=133 ...

milos2004 @milos2004

August 2022 2 1 Report

Решите уравнения:

1. 30*y-2*y=532
2. t+6*t-5=72
3. 4*x+3*x=77
4. 19*x-3*x+5=133
5. 16*x*5*5=80*70
6. 56+8*x=7*8+2*32

132Татьяна132 1. 30у-2у=532
28у=532
у=532:28
у=19
2. t+6t-5=72
7t=72+5
7t=77
t=11
3. 4x+3x=77
7x=77
x=11
4. 19x-3x+5=133
16x=133-5
16x=128
x=128/16
x=8
5.16x*5*5=80*70
400x=5600
x=5600/400
x=14
6. 56+8x=7*8+2*32
56+8x=56+64
56+8x=120
8x=120-56
8x=64
x=8

0 votes Thanks 2

темик08 1. 30у-2у=532
28у=532
у=532 : 28
у=19

2. t+6t-5=72
7t-5=72
7t=72+5
7t=77
t=11

3. 4х+3х=77
7х=77
х=77 : 7
х=11

4. 19х-3х+5=133
16х+5=133
16х=133-5
16х=128
х=128 : 16
х=8

5. 16х*5*5=80*70
16х*25=5600
400х=5600
х= 5600 : 400
х=14

6. 56+8х=7*8+2*32
56+8х=56+64
8х=56+64-56
8х=64
х=64 : 8
х=8

3 votes Thanks 4

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