Step-by-step explanation:
x - 1 = - 3x - 14
Bringing like terms on one side
x + 3x = -14 + 1
4x = - 13
x = - 13/4
9 and 12 are slope-intercept form and 10 and 11 are point-slope form
Step-by-step explanation:
n2+5=21
n2 =21-5
n2 = 16
n =16/2=8
The equation is true because both sides are identical.
