Question

ME AJUDEEEM

a) 3x+8 = 10-x

b) 2x+5+x= 25-x

c) 6x-20= 40-2x

PRECISO DA CONTA!

Answer 1

a)

3x + 8 = 10 - x

3x + x = 10 - 8

4x = 2

X = 2/4

X = 0,5

b)

2x + 5 + x = 25 - x

2x + x + x = 25 - 5

4x = 20

X = 20/4

X = 5

c)

6x - 20 = 40 - 2x

6x + 2x = 40 + 20

8x = 60

X = 60/8

X = 7,5