Question

efetue as equações . c) x-17=-9 d) 2x=16 e) 2x+14=5x-1 f) 4x-5=6x+11 g) 3x+2=2x-11

Answer 1

c)X-17=-9
X=-9+17
X=8

d)2X=16
X=16/2
X=8

e)2X+14=5X-1
2X-5X=-1-14
-3X=-15
-3X=-15×(-1)
3X=15
X=15/3
X=5

f)4X-5=6X+11
4X-6X=11+5
-2X=6
-2X=6×(-1)
2X=-6
X=-6/2
X-3

g)3X+2=2X-11
3X-2X=-11-2
X=-13