Question

1.
9X -3Y +5 -X -Y +4 -5X +4Y -9=

2.
a +b -c +2a +2b +2c -2c -3a -b +3c=

3.
p + q +r -2p -6q +3r +p +5q -8r=

4.
-7x -4y +6z +10x -20y -z -5x +24y +2z=

5.
ab +bc +cd -8ab -3bc -3cd +5ab +2bc +2cd=

6.
ax -ay -az -5ax -7ay -6az +4ax +9ay +8az=

7.
-am +6mn -4s -am -5mn -2s -5mn +3am=

8.
-8a +3b -c +5a -b +c -a -b -c +7ª -b +4c=

9.
7x +2y -4 +9y -6z +5 -y +3z -6 -5 +8x -3y=

10.
-m -n -p +m +2n -5 +3p -6m +4 +2n +5m -8=​

Answer 1

1) R: 7x - 4y
2)R: 2b + 2b
3)R: -4r
4)R: -2x + 7z
5)R: -2ab
6)R: ay + az
7)R: am + 4mn - 6s
8)R: -4a + 3c + 7elevado a
9)R: 15x + 7y - 10 - 3z
10)R: 3n + 2p - 9 - m