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Rom4ik [11]
3 years ago
7

X + y=-3 can sombody plz help me with this question

Mathematics
1 answer:
Nookie1986 [14]3 years ago
5 0

Answer:

x=−y−3

Step-by-step explanation:

x+y=−3

Step 1: Add -y to both sides.

x+y+−y=−3+−y

x=−y−3

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Find the value of x in the number (2x-15), (x-5), and 148 degrees
Mandarinka [93]

Answer:

Simplifying

2x + -15 + x + -5 = 148

Reorder the terms:

-15 + -5 + 2x + x = 148

Combine like terms: -15 + -5 = -20

-20 + 2x + x = 148

Combine like terms: 2x + x = 3x

-20 + 3x = 148

Solving

-20 + 3x = 148

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '20' to each side of the equation.

-20 + 20 + 3x = 148 + 20

Combine like terms: -20 + 20 = 0

0 + 3x = 148 + 20

3x = 148 + 20

Combine like terms: 148 + 20 = 168

3x = 168

Divide each side by '3'.

x = 56

Simplifying

x = 56

3 0
3 years ago
Find the result graphically. click and drag the arrows to represent each term. type in the result ( mejor si habl español )
dybincka [34]

Answer:

6

Step-by-step explanation:

Según lo que has puesto, lo único que se puede hacer es resolver

8+(-2)\\\\=8-2\\\\=6

8 0
4 years ago
If 8% tax on a sale amounts to 96 cents,what is the final price(including tax) of the item?
Gemiola [76]
If 8%=96cents, 100%=1200cents total amount=price=tax=1200=96=1296cents =$12.96     answer:12.96
5 0
3 years ago
How do I solve this system of equations by substitution?<br> y - 3x = 2, y=(x + 1)^2 - 5
Volgvan
Hello,

y-3x=2==>x=(y-2)/3
==>(x+1)²=((y-2)/3+1)²=(y+1)²/9

y=(x+1)²-5
==>y=(y²+2y1)/9 -5
==>y²-7y-44=0  ; Δ=7²+4*44=225=15²
==>y=(7+15)/2 or y=(7-15)/2

==>y =11 and x=(11-2)/3=3
 or y=-4  and x=(-4-2)/3=-2

sol={(3,11);(-2,-4)}



6 0
4 years ago
U = y +k/x, for x. how do you solve these type questions?
Yuki888 [10]
K/x =u-k
X/k =(u-k)/k
8 0
3 years ago
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