I.E.S. Los Viveros
Matenidticas aplicadas a las Ciencias Sociales I
Ecuaciones de primer grado
Resolvor las siguientes ecuaciones:
, , 5(x + l)_x + 3 5x + 9 3x + 2 111 —24 3 8“ + ~6~
[2] 3 • {3 • [3(3* - 2) - 2] -2} -2 = 1
11 -x
14
5x - 3 7.r — 1
T
3
4x + 2 ~^T~
-5
P]5-4(x-J)=(rt(.-J)
[8] i + 2(x - 1) = 4
(9] £-2 _ 2(2r + 6) + x = _4
[1Q] 6-3* + (i^lKi+2) = £
o 4 4
x — 3 x — 8 5 — x
12
x
3
[12] 1 2x-l-3^-lj + 2(j - 3) + 6 = 1 3(a:+ 4)
[13]
x - 1 1x - 3 + ---
N (x +(x - |) - (X + 5)(x - 3) = 3 (3 + i)
10
x - 2 x + 2
Mr1 3x - 1 x+l , x — 2 _15] .r + —:---r— + 1--— = 2(x + !)
[16] (j — 2)2 - (x - l)(x + 1) -
x + 2 1 - 2x _ 11 - x 3x + 5
2 7 “ 14 4
1
[17]