Answer:
1) -2x-11
2) 1.3x-3
3) 5k-20
4) 21.84
Step-by-step explanation:
-2x-7+(-4) -2x-7-4 -2x-11
5.2x+9-12-3.9x 1.3x+9-12 1.3x-3
5(k-4) distribute 5k-20
5.46÷0.25=21.84
