3x+5 = 2x+13 3x-2x = 13-5 x = 8
if 3x+5=x+19 then x=7
If: 3x+5 = 4x+1 Then: x = 4
3x+5=14 3x=9 x=3
(5, 1)
3x+5=2, 3x=2-5 (sign changes) 3x=-3 x=-1
2x+3 = 3x+5 2x-3x = 5-3 -x = 2 x = -2
2x + 2 = 3x - 57 = x
x = 2
3x + 2 + 2x = 7; 3x + 2x = 5x, so 5x + 2 = 7; 7-2=5, so 5x=5. 5x divided by 5 and 5 divided by 5 equals 1, so x equals 1.
3x - 2 + 5 = 16 3x + 3 = 16 3x = 13 x = 13/3 ~ 4.333
3x-5=3x+5 There is no solution.
x2 + 3x + 7 = 5 ∴ x2 + 3x + 2 = 0 ∴ (x + 1)(x + 2) = 0 ∴ x ∈ {-2, -1}
2x-4
what is a slope
3x+5=20 x=5 since 5x3+5=20
4x + 5 = 3x + 84x-3x + 5 - 5 = 3x - 3x + 8 -5x = 3