55 = 5x + x + 7
Combine the 'x's on the right side:
55 = 6x + 7
Subtract 7 from each side of the equation:
48 = 6x
Divide each side by 6 :
8 = x
45-5x = 5x+55 -5x-5x = 55-45 -10x = 10 x = -1
4x + 55 = 9x + 10 55 = 5x + 10 45 = 5x x = 9
It's a simple linear equation in 'x'.You can solve it like this:45 - 5x = 5x + 55Add 5x to each side:45 = 10x + 55Subtract 55 from each side:-10 = 10xDivide each side by 10:-1 = x
you cant
3
23
7
x = -8
x = -1.2, y = -3
-5x+50 = 25 -5x = 25-50 -5x = -25 x = 5
x=35
7-5x=10-(6x+7) 7-5x=-60x-70 +5x +5x 7=-55x-70 +70 +70 77=-55x Divide -55 -1.4 = x