Решите уравнения 5(х+16)=7х

Question

Решите уравнения 5(х+16)=7х

Comments

5 час

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5 (х+16)

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2 бриг х +18 км ч

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7 ч

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5(x

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5(x+16)=7x

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5x+80=7x

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5x-7x=-80

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2x=+80

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x=40

Answer 1

5x + 80 = 7x
5x - 7x = - 80
- 2x = - 80
2x = 80
x = 40 

Comments

http://znanija.com/task/19587728

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помогите.

Answer 2

Вот решение
удачи . ии