Respuesta:
1.
x + 2(x+1) = 35
x + 2x + 2 = 35
3x = 33
x = 11
2.
2(x-1) + 3x = 13
2x - 2 + 3x = 13
5x = 15
x = 3
3.
3x + 3(x+1) = 45
3x + 3x + 3 = 45
6x = 42
x = 7
4.
4(x-2) = 2(x+10)
4x - 8 = 2x + 20
4x - 2x = 20 + 8
2x = 28
x = 14
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Respuesta:
1.
x + 2(x+1) = 35
x + 2x + 2 = 35
3x = 33
x = 11
2.
2(x-1) + 3x = 13
2x - 2 + 3x = 13
5x = 15
x = 3
3.
3x + 3(x+1) = 45
3x + 3x + 3 = 45
6x = 42
x = 7
4.
4(x-2) = 2(x+10)
4x - 8 = 2x + 20
4x - 2x = 20 + 8
2x = 28
x = 14