Answer:
y = 18
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define</u>
y = 2x + 12
x = 3
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>: y = 2(3) + 12
- Multiply: y = 6 + 12
- Add: y = 18
Answer:
{y,x} = {7,-1}
Step-by-step explanation:
(-7x) + 3x = 4
- 4x = 4
4x = - 4
x = - 1
y = -7x
x = -1
y = -7(-1) = 7
Answer:
center
Step-by-step explanation:
Can I have a thanks, 5 star, brainliest and tell me if right?
Answer:
$720 in one week
Step-by-step explanation:
40 * 18
$720
Best of Luck!
Answer:
0
Step-by-step explanation:
-3y(2y+5)=0
-6y+15y=0
9y=0
y=0÷9
y=0