Решите два уравнения 2(11x-5)17х=55 5(8х+3)-12=83

Question

Решите два уравнения 2(11x-5)17х=55 5(8х+3)-12=83

Comments

1)2(11x-5)-17x=55;22x-10-17x=55;5x=55+10;5x=65;x=65÷5;x=13.5(8x+3)-12=83;40x+15-12=83;40x=83+12-15;40x=80;x=80÷40;x=2.

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2)40х+15-12=83

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40х+3=83 х=80:40=2

Answer 1

2(11x-5)-17x=55;
22x-10-17x=55;
5x=55+10;
5x=65;
x=65÷5;
x=13.
5(8x+3)-12=83;
40x+15-12=83;
40x=83+12-15;
40x=80;
x=80÷40;
x=2.

Answer 2

1)40х+3=83;40х=83-3;40х=80;х=2