Answer:
8+x=2x-3
x=11
Step-by-step explanation:
Answer:
A. $5
Step-by-step explanation:
Tim: 1000 x (1 + 0.10)² = 1210
Interest: 1210 - 1000 = 210
Lana: 2000 x (1 + 0.05)² = 2205
interest': 2205 - 2000 = 205
difference: 210 - 205 = 5
Answer: x=4
Step-by-step explanation: 0.75x+3=6(x−3)
0.75x+3=(6)(x)+(6)(−3)
0.75x+3=6x+−18
0.75x+3=6x−18
0.75x+3−6x=6x−18−6x
−5.25x+3−3=−18−3
−5.25x
/−5.25
=−
21
/−5.25
x=4
Perimeter = Side + Side + Side
Side 1 = x
Side 2 = x + 7
Side 3 = 2x-7
Plug into the equation:
84 = x + (x + 7) + (2x-7)
84 = x + x + 7 + 2x - 7
Combine like terms:
84 = 4x
Divide by 4 and solve for x:
21 = x
Side 1 = 21
Side 2 = 28
21+7=28
Side 3 = 35
21(2) - 7 = 42 - 7 = 35
