Respuesta:
1) (-2) +2(4)-6(3)
-2+8-18
-20+8
-12
2) 3( (-2)+(3)+(4)-(1) )
3 ( -3+7)
3( 4)
12
3) 2(4)-3 ( 4(1)-3(3))
8-3 ( 4-9)
8-3 (-5)
8+ 15
23
a) (-6-(-7)) . (-4)
(-6+7) . (-4)
1.(-4)
-4
b) -5-[ (18/ (-3)) +4] . (-1 +4) . (-2)
-5 [ -6+4] . 3. (-2)
-5 [ -2] . (-6)
-5 + 12
7
c) (-25 +63) / 19
38 / 19
2
d) 7x + 16 = -19
7x = -19 -16
x= (-19-16 ) / 7
x= -35 / 7
x-5
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Respuesta:
1) (-2) +2(4)-6(3)
-2+8-18
-20+8
-12
2) 3( (-2)+(3)+(4)-(1) )
3 ( -3+7)
3( 4)
12
3) 2(4)-3 ( 4(1)-3(3))
8-3 ( 4-9)
8-3 (-5)
8+ 15
23
a) (-6-(-7)) . (-4)
(-6+7) . (-4)
1.(-4)
-4
b) -5-[ (18/ (-3)) +4] . (-1 +4) . (-2)
-5 [ -6+4] . 3. (-2)
-5 [ -2] . (-6)
-5 + 12
7
c) (-25 +63) / 19
38 / 19
2
d) 7x + 16 = -19
7x = -19 -16
x= (-19-16 ) / 7
x= -35 / 7
x-5