Question

R-) x - 7 = -7
S-) 15 = x + 20
T-) 2x + 4 = 16
U-) 2x - 2 = 12 - 5x
V-) 33+ x = 5 - 3x
W-) 35x = -105


AJUDA ai​

Answer 1

Resposta:

x-7=-7

x=7-7

x=0

15=x+20

-x=20-15.(-1)

x=-20+15

x=-5

2x+4=16

2x=16-4

2x=12

x=12÷2

x=6

2x-2=12-5x

2x+5x=12+2

7x=14

x=14÷7

x=2

33+x=5-3x

x+3x=5-33

4x=32

x=32÷4

x=8

35x=-105

x=-105÷35

x=-3