7x + 8 = 36 - 8 = - 8 -------------- 7x = 28 7x/7 = 28/7 x = 4
x2+7x-8 = (x-1(x+8)
3/7x + 5 = 87x(3/7x + 5) = 8(7x)3(7x/7x) + (7x)(5) = 8(7x)3 + 35x = 56x3 + 35x - 35x = 56x - 35x3 = 21x3/21 = 21x/211/7 = x
x2+7x-8 = (x-1(x+8)
Subtract 7x from each side: 8 = -9 Not possible, game over.
3367 of 18500 as a percentage = 100*3367/18500 = 3367/185 = 18.2%
7x + 8 = 36 - 8 = - 8 -------------- 7x = 28 7x/7 = 28/7 x = 4
(7x + 8)(7x - 8)
x2+7x-8 = (x-1(x+8)
x2+7x-8 = (x-1(x+8)
3/7x + 5 = 87x(3/7x + 5) = 8(7x)3(7x/7x) + (7x)(5) = 8(7x)3 + 35x = 56x3 + 35x - 35x = 56x - 35x3 = 21x3/21 = 21x/211/7 = x
x2 + 7x - 8 = (x + 8)(x - 1)
x2+7x-8 = (x-1(x+8)
7x + y = 8 Subtract 7x from each side of the equation: y = -7x + 8
Subtract 7x from each side: 8 = -9 Not possible, game over.
7x-5x=8 2x=8 x=4
(7x + 8)(7x - 9)