Question

Resolva as equações a
A) 3x+1 = 4-2x
B) 7-2x4x+5
C)7x+10=6x-5
Com cálculos pfvvvvvv

Answer 1

a) 3x +1 = 4 -2x
3x +2x = 4 -1
5x = 3
x = 3/5 

b) 7 -2x = 4x +5
-2x -4x = 5 -7
-6x = -2(-1)
6x = 2
x = 2/6

c) 7x +10 = 6x -5
7x -6x = -10 -5
x = -15