Rozwiąż równanie :
2 ( x-3 )+ 3 (4-x) = 5
3 (x-4) - 2 ( 2 x - 5 ) = 4
2 (x+4 ) - 5 (x+3 ) = 2
1.x=1
2.x=-28
3.x=7
1)
2(x-3)+3(4-x)=5
2x-6+12-3x=5
2x-3x=5-12+6
-x=-1 / *(-1)
x=1
2)
3(x-4)-2(2x-5)=4
3x-12-4x+10=4
3x-4x=4+12-10
-x=6 / *(-1)
x=-6
3)
2(x+4)-5(x+3)=2
2x+8-5x-15=2
2x-5x=2+15-8
-3x=9 / *(-3)
x=-3
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1.x=1
2.x=-28
3.x=7
1)
2(x-3)+3(4-x)=5
2x-6+12-3x=5
2x-3x=5-12+6
-x=-1 / *(-1)
x=1
2)
3(x-4)-2(2x-5)=4
3x-12-4x+10=4
3x-4x=4+12-10
-x=6 / *(-1)
x=-6
3)
2(x+4)-5(x+3)=2
2x+8-5x-15=2
2x-5x=2+15-8
-3x=9 / *(-3)
x=-3