Question

resolva para mim por favoor é urgente

Answer 1

Resposta:

1. 2X-3=33-X

2X+X=33+3

3X=36

X=36/3

X=12

2. 7-2X=4+X

-2X-X=4-7

-3X=-3 ×(-1)

3X=3

X=3/3

X=1

3. 5t-6=3-4t

5t+4t=3+6

9t=9

t=9/9

t=1

4. 9-3X=-5+4X

-3X-4X=-5-9

-7X=-14 ×(-1)

7X=14

X=14/7

X=2