Question

Jawab soal sii tolong pake cara tapi:(
soal:
1.tentukan hasil penjumlahan (3 - 17x + 35z) dan (4x+23y-9)
2. tentukan hasil pengurangan (5x+3) oleh (x-1)
3.(42n+35m+7m+7) - (50m-20n+9)

please jawabb tolong ini mah:(

Answer 1

1. (3-17x +35z)+(4x+23y-9)
= -17x+4x+35z+23y+ 3-9
= -13x+35z+23y-7

2. x-1- 5x+3
= x-5x+3-1
= -4x+2

3. 42n+35m+7m+7-50m-20n+9
= 42n-20n+35m+7m-50m +7+9
= 22n -8m +16

Answer 2

1. 3 - 17x + 35z + 4x + 23 y - 9
= -17x + 4x + 23y + 3 - 9 = - 13x + 23y - 6

2. 5x + 3 -x + 1 
= 5x - x +3 + 1 = 4x + 4

3. 42n + 35m + 7m + 7 - 50m + 20n - 9
= 42n + 20n + 35m - 50m + 7m + 7 - 9
= 62n - 8m - 2