Question

Resolva as euqações:

a) 2 -3x = -9 - 4x
b) 350x -500 = 100x + 750
c) x + 5,41 = 3,87
d) 3( 2x - 1 ) = -2 (x+3)
e) 4(x+10) - 2(x-5) = 0
f) 3,5x + 8 = 2 (x+7)

Answer 1

a) 2-3x=-9-4x
-4x+3x=-9-2
-1x=-11
x=-11/-1 (-1)
x=11

b) 350x-500=100x+700
350x -100= 700 +500
250x=1200
x=48