Question

Resolva as equaçoes
a) -3x+10=2x+8+1
b) -10+4-2x=-4x-7
c) 3x+7=x+3
d) -7x+4+10x=4-2x
e) 2(x+1)-(x-1)=0

Answer 1

a) -3x-2x=8+1-10
-5x= -1
X=1/5
b) -2×+4×=-7-4+10
2×=-1
×=1/2
c)3×-×=3-7
2×=-4
×=4÷2
×=2