rozwiąż równania:a) 3(2x-4)-2x=2(1-3x)+6
b)2(x+7)-3(2x+3)=5(2-x)
a)
3(2x-4)-2x=2(1-3x)+6
6x-12-2x=2-6x+6
6x-2x+6x=2+6+12
10x=20/10
x=2
b
2(x+7)-3(2x+3)=5(2-x)
2x+14-6x-9=10-5x
2x-6x+5x=10-14+9
x=5
3(2x-4)-2x=2(1-3x)+66x-12-2x=2-6x-66x-2x+6x=2+6+1210x= 20/10x=2
2(x+7)-3(2x+3)=5(2-x)2x+14 - 6x- 9 =10-5x2x- 6x +5x =10-14+9x=2
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a)
3(2x-4)-2x=2(1-3x)+6
6x-12-2x=2-6x+6
6x-2x+6x=2+6+12
10x=20/10
x=2
b
2(x+7)-3(2x+3)=5(2-x)
2x+14-6x-9=10-5x
2x-6x+5x=10-14+9
x=5
3(2x-4)-2x=2(1-3x)+6
6x-12-2x=2-6x-6
6x-2x+6x=2+6+12
10x= 20/10
x=2
2(x+7)-3(2x+3)=5(2-x)
2x+14 - 6x- 9 =10-5x
2x- 6x +5x =10-14+9
x=2