QUANTO é
2x-2=-6
3x+7=28
-9x+8=-28
8x+3=7x-15
5x-20=x+60
-11-8x=-2x+7
Soluções para a tarefa
Respondido por
0
2x-2=-6
2x=-4
x=-4/2
x=-2
3x+7=28
3x=21
x=21/3
x=7
-9x+8=-28
-9x=-36
x=4
8x+3=7x-15
x=-18
5x-20=x+60
4x=80
x=80/4
x=20
-11-8x=-2x+7
-6x=18
x=-18/6
x=-3
2x=-4
x=-4/2
x=-2
3x+7=28
3x=21
x=21/3
x=7
-9x+8=-28
-9x=-36
x=4
8x+3=7x-15
x=-18
5x-20=x+60
4x=80
x=80/4
x=20
-11-8x=-2x+7
-6x=18
x=-18/6
x=-3
Respondido por
3
1)2x-2=-6
2x=-6+2
2x=-4
x=-4/2
x=-2
2)3x+7=28
3x=28=7
3x=21
x=21/3
x=7
3)-9x+8=-28
-9x=-28-8
-9x=-36
x=-36/-9
x=4
3)8x+3=7x-15
8x-7x=-15-3
x=-18
4)5x-20=x+60
5x-x=60+20
4x=80
x=80/4
x=20
5)-11-8x=-2x+7
-8x+2x=7+11
-6x=18
x=18/-6
x=-3
Espero Ter Ajudado
2x=-6+2
2x=-4
x=-4/2
x=-2
2)3x+7=28
3x=28=7
3x=21
x=21/3
x=7
3)-9x+8=-28
-9x=-28-8
-9x=-36
x=-36/-9
x=4
3)8x+3=7x-15
8x-7x=-15-3
x=-18
4)5x-20=x+60
5x-x=60+20
4x=80
x=80/4
x=20
5)-11-8x=-2x+7
-8x+2x=7+11
-6x=18
x=18/-6
x=-3
Espero Ter Ajudado
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