Answer:
Step-by-step explanation:
formula: 1/2h(b1+b2)
subsitution: 1/2×8(5+3)
next step: 1/2×8×8
next: 1/2×64
final: 32
Its 160 .................
Answer:
3x+3=2x
Step-by-step explanation:
Answer:
a=-6
Step-by-step explanation:
4= 6/a + 5
Subtract 5 from each side
4-5= 6/a + 5 -5
-1 = 6/a
Multiply by a on each side
-1*a = 6/a *a
-a =6
Multiply by -1
a= -6
