0
Anonymous
3
Izaiah Lubowitz ∙
9x+4 =x-7 8x=-3 x=-3/8
7x = 3 x = 3/7
X=7
8x-4 = -7+5x 8x-5x = -7+4 3x = -3 x = -1
-6
x = 7
If x=4 then 2x+7 =
33
Y = x - 7
9 plus 7 equals 144. Generally, x plus y = x(x+y).
2x + 7 = x + 3 x + 7 = 3 x = -4
y=(7-x)/4
4
x=7 3/4
7
x=4
-4x +5x +4 =7 x + 4 = 7 x = 3