a) 4x-10°= 3x-x
b)x-5°=7x-15°
c)2x+10°=8x+30°
Soluções para a tarefa
Respondido por
2
A) 4x-10=3x-x > 4x-10 =2x > 4x-2x=10 > 2x=10 > x=5
B) x-5=7x-15 > 7x-x=15-5 > 6x=10 > x= 10/6 > 5/3
C) 2x+10=8x+30 > 8x-2x=-30+10 > 6x =20 > x=-20/6 > x= -10/3
B) x-5=7x-15 > 7x-x=15-5 > 6x=10 > x= 10/6 > 5/3
C) 2x+10=8x+30 > 8x-2x=-30+10 > 6x =20 > x=-20/6 > x= -10/3
Respondido por
1
a) 4x-10°= 3x-x
4x-10°=2x
4x-2x=10°
2x=10°
x= 10/2
x=5°
b)x-5°=7x-15°
x-7x=-15+5
-6x=-10°
x= 10/6
x=5/3
c)2x+10°=8x+30°
2x-8x=30°-10
-6x=20°
x = 20/-6
x=10/-3
x=-10/3
4x-10°=2x
4x-2x=10°
2x=10°
x= 10/2
x=5°
b)x-5°=7x-15°
x-7x=-15+5
-6x=-10°
x= 10/6
x=5/3
c)2x+10°=8x+30°
2x-8x=30°-10
-6x=20°
x = 20/-6
x=10/-3
x=-10/3
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