Answer:
t=-10 or t=20
Step-by-step explanation:
We want to solve the equation:
We use the definition of the absolute value function to get:
Divide through the first equation by -1 to get:
We now add 15 to both sides of the equation to get:
Divide through by 3
Answer:
(B). 
Step-by-step explanation:
7.25*2=14.5
If each inch equals 2 feet you just need to multiply by the factor of (2)
Answer: w = 7, x = 6
Step-by-step explanation: Solve by substitution
W + b = 13
rewrite as b = 13 - w and substitute that value for b in the second equation
6.5w + 2b = 57.5 Then solve for w
6.5w + 2(13-w) = 57.5 . Distribute
6.5w + 26 - 2w = 57.5 . Subtract 26 from both sides. Combine like terms and simplify
6.5w - 2w = 57.5 - 26
4.5w = 31.5 Divide both sides by 4.65
w = 7 . Substitute 7 for w in the first equation and solve for b
7 + b = 13 . Subtract 7 from both sides
b = 6
