Step-by-step explanation:
2A=h(a+b)
2A=ha+hb
2A-hb=ha
2A-hb/h=a
Answer:
8 -1(x+4)=2
8-x-4=2
x= 2+4-8
x=-2
15x2+10x-9x+7
8x3+20x2+3x+12
11x4+4x2-6x2-16
10
2n-6
n=8
2(8)-6
16-6