17. 6(1 - 4x) + 7(2 + 5x) = 53
19. 3(x + 6) + 2(x + 3) = 64
Answers
Answered by
2
Answer:
17)6-24x+14+35x=53
20+9x=53.
9x=33
x=33/9
19.)3x+18+2x+6=64.
5x+24=64
5x=40
x=8
Answered by
21
- 6(1 - 4x) + 7(2 + 5x) = 53
==> 6 - 24x + 14 + 35x = 53
==> 20 + 11x = 53
==> 11x = 53-20
==> 11x = 33
==> x = 33/11
==> x = 3
________________________________
- 3(x + 6) + 2(x + 3) = 64
==> 3x + 18 + 2x + 6 = 64
==> 5x + 24 = 64
==> 5x = 64 - 24
==> 5x = 40
==> x = 40/5
==> x = 8
Similar questions