Решите уравнение (x – 99,2) ∙ 1,3 = 16,64.

Question

Решите уравнение (x – 99,2) ∙ 1,3 = 16,64.

Answer 1

(х-99.2)•1.3=16.64
1.3х-128.96=16.64
1.3х=16.64+128.96
1.3х=145.6
х=112

Answer 2

1.3х-128.96＝16.64
1.3х＝16.64+128.96
1.3х＝145.6
х＝145.6:1.3
×＝112