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dchelik
@dchelik
November 2021
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merei290591
4(x+2)=7(2x-1)-9(3x-4)+30
4x+8=14x-7-27x+36+30
4x-14x+27x=30-7+36-8
17x=51
x=51:17
x=3
7(2x+x)=14x+21
14x+7x=14x+21
14x+7x-14x=21
7x=21
x=21:7
x=3
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Answers & Comments
4x+8=14x-7-27x+36+30
4x-14x+27x=30-7+36-8
17x=51
x=51:17
x=3
7(2x+x)=14x+21
14x+7x=14x+21
14x+7x-14x=21
7x=21
x=21:7
x=3