Rozwiąż równanie A)4(x+3)=5x-19 B)2(2m-3)+2m=5(3-m)+1. Na jutro :/
A)4(x+3)=5x-19
4x+12=5x-19
-x=-31
x=31
B)2(2m-3)+2m=5(3-m)+1
4m-6+2m=15-5m+1
11m=22
m=2
A)
4(x+3)=5x-19
4x-5x=-19-12
-x=-31 |·(-1)
B)
2(2m-3)+2m=5(3-m)+1
6m-6=-5m+16
6m+5m=16+6
11m=22 |:11
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A)4(x+3)=5x-19
4x+12=5x-19
-x=-31
x=31
B)2(2m-3)+2m=5(3-m)+1
4m-6+2m=15-5m+1
11m=22
m=2
A)
4(x+3)=5x-19
4x+12=5x-19
4x-5x=-19-12
-x=-31 |·(-1)
x=31
B)
2(2m-3)+2m=5(3-m)+1
4m-6+2m=15-5m+1
6m-6=-5m+16
6m+5m=16+6
11m=22 |:11
m=2