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zepelin [54]
3 years ago
9

X-4=12 what does x equal

Mathematics
1 answer:
algol [13]3 years ago
6 0

Answer:

x = 16

Step-by-step explanation:

So we do the fancy inverse thing:

x - 4 + 4 = 12 + 4

x = 16

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!!!!Pls help!!!!!
hichkok12 [17]

Answer:

(2,4) is a solution to this system of equations

Step-by-step explanation:

Given system of equation are

y=2x \hfill (1)

y=\frac{-1}{2}x+5\hfill (2)

To find the solution of the given system of equations

To Check that (2,4) is a solution to this system or not

Solving equations (1) and (2)

From equation (1) and y=2x

Now substitute y=2x is equation (2)

2x=\frac{-1}{2}x+5

\frac{-1}{5}x+5-2x=0

5-\frac{x}{2}-2x=0

5-\frac{x+4x}{2}=0

5-\frac{5x}{2}=0

\frac{10-5x}{2}=0

10-5x=0

-5x=-10

x=\frac{10}{5}

Substitute x=2 in equation (1)

y=2x

y=2(2)

Therefore y=4

Therefore the solution is (2,4)

Therefore (2,4) is a solution to the system of equations.

4 0
3 years ago
How are two figures congruent?
Sedbober [7]

When angles and sides are all equal

3 0
4 years ago
What is the value of x? (Type an integer or a decimal.)
AfilCa [17]

Answer:

2.8

Step-by-step explanation:

10× X = 7× 4

X = 7×4/10 = 2.8

4 0
3 years ago
What is the hypothesis in this conditional statement?
nexus9112 [7]
The answer is
A. 
Hope This Helps

8 0
4 years ago
I need help due today please help!!!!!!!!!
Amiraneli [1.4K]

Answer:

228mm^2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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