8x=7x-7 x=-7
10
8x+7=55 8x=55-7 8x=48 x=48/8 x=6
x2-8x=0 ( add 8x to both sides) x2 =8x (divide by x) x=8 ( x2divided by x equals x)
1
8x-36 equal = -28
x*8 is equal to 8x.
-8x
8x + 3 = 50 8x = 47x = 47/8x= 5 and 7/8ths
10
8x=7x-7 x=-7
10
8x+7=55 8x=55-7 8x=48 x=48/8 x=6
-8x <= -56 so x => 7
The sum of all four angles would equal 360º.
x2-8x=0 ( add 8x to both sides) x2 =8x (divide by x) x=8 ( x2divided by x equals x)
8x - 2x = 90 so 6x = 90 so x = 15