2x=10-6
2x=4
x=4/2
x=2
S={2}
Verificación:
2(2)+6=10
4+6=10
10=10
2x+4=16
2x=16-4
2x=12
x=12/2
x=6
S={6}
2(6)+4=16
12+4=16
16=16
-10x+4=-26
-10x=-26-4
-10x=-30
x=-30/-10
x=3
S={3}
-10(3)+4=-26
-30+4=-26
-26=-26
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A) 2x+6=10
2x=10-6
2x=4
x=4/2
x=2
S={2}
Verificación:
2(2)+6=10
4+6=10
10=10
B) 2x+4=16
2x+4=16
2x=16-4
2x=12
x=12/2
x=6
S={6}
Verificación:
2(6)+4=16
12+4=16
16=16
C)-10x+4=-26
-10x+4=-26
-10x=-26-4
-10x=-30
x=-30/-10
x=3
S={3}
Verificación:
-10(3)+4=-26
-30+4=-26
-26=-26