7,1(х+0,2)+1,8=7,1х+3,22

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вопрос

To solve the equation, we first remove the parentheses by distributing the 7.1:

7.1(х + 0.2) + 1.8 = 7.1х + 3.22
7.1х + 1.42 + 1.8 = 7.1х + 3.22

Now, combine like terms:

7.1х + 3.22 = 7.1х + 3.22

Since the terms are the same on both sides of the equation, this equation is identity and will be true for all values of x.