itisme28
itisme28 itisme28
  • 11-07-2020
  • Mathematics
contestada

6. Solve for a: 3a – 5(a - 2) = 34
1. a = 1
2. a = -12
3. a = -22
4. a = 0​

Respuesta :

S1NGH
S1NGH S1NGH
  • 11-07-2020

Answer:

a = -12

Step-by-step explanation:

3a – 5(a - 2) = 34

→ Expand out the brackets – 5(a - 2)

– 5(a - 2) = – 5(a + 2) = -5a + 10

→ Substitute that back into the equation

3a - 5a + 10 = 34

→ Simplify the 'a's

-2a + 10 = 34

→ Minus 10 from both sides to isolate -2a

-2a = 24

→ Divide both sides by -2 to isolate a

a = -12

Answer Link

Otras preguntas

Steve bought a new car for $22,000 but paid 93% of the list price. How much was the list price
If x = 3, then 3x – 4 = 5. x = 3 law of detatchment
what is the total current for the parallel circuit?​
If AABC= ADEF, which congruences are true by CPCTC? Check all that apply.
In a story white umbrella, Why do you think the narrator's family approaches the mother working differently than other families might?
cho tam giác DEF cân tại D có đường trung tuyến DI a) Chứng minh tam giác DEI = tam giác DFI b) Các góc DIE và góc DIF là góc gì
A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 × 104 meters. If the truck's mass is 7,000 kilograms, what is the work done to reach this
The area of a rectangular carpet is 252 square feet. The length is nine feet more than the width. Find the length and the width of the carpet.
Disease cannot be transmitted through blood by: intravenous-drug use. body piercing. tattooing. protected contact.
At the end of the French and Indian War, the would fall to the British.