Calcule as equações:
A) 5x-3+x = 2x+9
B)17x-7x =x+18
C) x+x-4 = 17-2x+1
D) x+2x+3-5x = 4x-9
E) 5x+6x-16 = 3x+2x-4
F) 5x+4 = 3x-2x+4
Pfv me ajudemm, Please!
Soluções para a tarefa
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A) 5x-3+x=2x+9
5x+x-2x=9-3
4x=12
x=12/4
x=3
B) 17x-7x=x+18
17x-7x-x=18
9x=18
x= 18/9
x=2
C) x+x-4=17-2x+1
x+x+2x=17+1+4
4x=22
x= 22/4
x=5,5
D) x+2x+3-5x=4x-9
x+2x-5x-4x=-9+3
-6x=-6
x= -6/-6
x=1
E) 5x+6x-16=3x+2x-4
5x+6x-3x-2x=-4+16
6x=12
x=12/6
x=2
F) 5x+4=3x-2x+4
5x-3x+2x=4-4
4x=0
x=0/4
x=0
BOM ESTUDO!!
5x+x-2x=9-3
4x=12
x=12/4
x=3
B) 17x-7x=x+18
17x-7x-x=18
9x=18
x= 18/9
x=2
C) x+x-4=17-2x+1
x+x+2x=17+1+4
4x=22
x= 22/4
x=5,5
D) x+2x+3-5x=4x-9
x+2x-5x-4x=-9+3
-6x=-6
x= -6/-6
x=1
E) 5x+6x-16=3x+2x-4
5x+6x-3x-2x=-4+16
6x=12
x=12/6
x=2
F) 5x+4=3x-2x+4
5x-3x+2x=4-4
4x=0
x=0/4
x=0
BOM ESTUDO!!
Maygh:
Muitoo Obg, ajudou mesmo
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