" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x + 3 = x + 19
5x-x=19-3
4x=16/:4
x=4
b)
2 + 3x = 5 - 5x
3x+5x=5-2
8x=3/:8
x=3/8
c)
4(x + 3) = 5x - 19
4x+12=5x-19
4x-5x=-19-12
-x= -31/*(-1)
x=31
d)
2(2x - 3) + 2x = 5(3 - x) + 1
4x-6+2x=15-5x+1
6x+5x=16+6
11x=22/:11
x=2
e)
1,2 - 1,9x = 0,5 (x+3) - 0,3(x+5)
1,2-1,9x=0,5x+1,5-0,3x-1,5
-1,9x-0,5x+0,3x= -1,2
-2,1x=-1,2/:(-2,1)
x=12/10 : 21/10
x=12/10 * 10/21
x=12/21
x=4/7