Solve for x:
(x - 1)(3x + 1) = 0

x=1 and x=-1/3

Step-by-step explanation:

By the zero product property, we have two separate equations, x-1=0 and 3x+1=0

x-1=0

x=1

3x+1=0

3x=-1

x=-1/3

So x=1 and x=-1/3

Hope this helped!

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

2/3

step-by-step explanation: