−3b+2.5=4
Subtract 2.5 from both sides.
−3b+2.5−2.5=4−2.5
−3b=1.5
Divide both sides by -3.
−3b/−3 = 1.5/−3
b=−0.5
Answer:
Ygggg
Step-by-step explanation:
Gggt
Answer:
[8 -6 2 -4].
Step-by-step explanation:
[4 -4 0 0]+[4 -2 2 -4]
= [4+4 -4+-2 0+2 0+-4]
= [8 -6 2 -4]