Answer:
7
Step-by-step explanation:
plug in 3 where ever there is x
so
(4(3)+2)-7
use PEMDAS to solve from left to right
P: Parenthesis
E: Exponents
M: Multiplication
D: Division
A: Addition
S: Subtraction
so we got p so we do that first
(4(3)+2) --> 4 × 3 = 12 (Multiplication first like in PEMDAS)
(12+2) = 14
so then in the equation you are left with
(14)-7 = 7
answer is 7
Answer:
The answer is b and here’s the proof
Step-by-step explanation:
Answer:
<h2>4(i-1)</h2>
Step-by-step explanation:
Given the expression 
On simplifying;
First we need to note that i² = -1 and √-1 = i
Substituting the values in the expression, it becomes;
= √16(√-1)-√(-3)(-3)-√(-4)(-4)+3i-3(-1)+3i(i²)
= 4i-√9-√16+3i+3-3i
= 4i-3-4+3
= 4i-4
= 4(i-1)
Answer:
$11077
Step-by-step explanation:
There ya go.
Answer:
A (-5,2)
Step-by-step explanation:
5x+y=-23
7x-3y=-41
3×(5x+y)=3×(-23)
15x+3y=-69
<u>+</u><u>7x-3y</u><u>=</u><u>-41</u>
<u>22x</u>=<u>-110</u>
22. 22
x=-5
5x+y=-23
5(-5)+y=-23
-25+y=-23
<u>+25</u><u>.</u> <u>+25</u>
y=2
When using elimination you add both equations together so that one variable cancels out the other. In this situation, y can be the variable. You must get the y-variables to cancel out leaving just the x- variables to solve for.
