Question

1° Determine, a, b e o valor de X



A) 2X+3 = 9-X



B) 4 X + 15 X – 8+16= 4X + 14X+7



C) 1X+1=1-1X

me respondão pfv

Answer 1

A)2x+x=-3+9

3x=6

x=2

B)4x+15x-4x-14x=8-16+7

x=-1

C)x+x=1-1-1

2x=-1

x=-1/2