RESOLVA AS EQUACOES DE 1 GRAU
J - 30 + 4X - 15X = 20 - 41X + 13
K - 41X -9 - 8 - 13 = -4X + 6 + 3
Soluções para a tarefa
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J) 4X -15X + 41X = 20+13-30
-11X + 41X = 33-30
30X = 3
X= 3/30 (simplifica)
X= 1/10
K) 41X +4X = 6+3+9+8+13
45X=9+9+8+13
45X=18+8+13
45X=26+13
45X=39
X=39/45 (simplifica)
X=13/15
-11X + 41X = 33-30
30X = 3
X= 3/30 (simplifica)
X= 1/10
K) 41X +4X = 6+3+9+8+13
45X=9+9+8+13
45X=18+8+13
45X=26+13
45X=39
X=39/45 (simplifica)
X=13/15
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