Okay. For these types of problems, you must do order of operations (PEMDAS). Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction. Mind you that you do these steps from left to right, and multiplication and division is done from left to right. Same thing with addition and subtraction. With that being said, here are your answers if you do the expressions correctly.

1. 12

2. 106

3. 42

4 0

4 years ago

Solve for x . ( help me pls )

Nady [450]

Answer:

6. 5

7.2

8.6

9.-12

Step-by-step explanation:

8 0

3 years ago

Which shows how to solve the equation -4/5 x = 80 for x in one step

san4es73 [151]

Answer:

$- \frac{1}{100}$

Step-by-step explanation:

$- \frac{4}{5x} = 80 \\ - \frac{4}{80 } = 5x \\ x = - \frac{1}{100}$

8 0

2 years ago