1) (1.8+x)*21=71.4 2) 16(4x_3.4)=6.08 3) (x-1.25)*4.5=27 4)(x+19.64)*0.18=144...

Question

1) (1.8+x)*21=71.4
2) 16(4x_3.4)=6.08
3) (x-1.25)*4.5=27
4)(x+19.64)*0.18=144
5)17(1.6-5x)=2.38
6) 9.66:(x+0.17)=23
Помогите!!!

Answer 1

1)37.8+21х=71.4
21х=71.4-37.8
21х=33.6
Х=33.6 : 21
Х= 1.6
Ответ:1.6

Comments

2)64х-54.4=6.08

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64х=6.08+54.4

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64х=60.48

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Х=60.48:64

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Х=0.945

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Ответ:0.945

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Это второе уравнение