Question

Reduza os termos semelhantes nas seguintes expressões algébricas:
a) 6x+(2×-4)-2=
b) 7y-8-(5y-3)=
c) 4x-(3x+9-2x)
d) 3x-(-2x+5)-8x+9=
e) 4x-3+(2x+1)=

Answer 1

a)6x+(-8)-2=
6x-10=
6x=10
x=10/6
x=5/3
b)7y-8-5y+3=
2y-5=
2y=5
y=5/2
c)4x-3x-9+2x=
3x-9=
3x=9
x=9/3
x=3
d)3x+2x-5-8x+9=
5x-8x-5+9=
-3x+4=
-3x=-4
x=-(-4/-3)
x=4/3
e)4x-3+2x+1=
6x-2=
6x=2
x=2/6
x=1/3