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Elden [556K]
3 years ago
11

What is the solution to this equation? 2x + 3 = x − 4

Mathematics
2 answers:
aivan3 [116]3 years ago
6 0

Answer:

x = −7

Step-by-step explanation:

2x + 3 = x − 4

Subtract 3 from both sides of the equation

2x = x −7

Subtract x from both sides of the equation

x = −7

kondaur [170]3 years ago
6 0

Answer:

X=7

Step-by-step explanation:

Step 1  

Having all the  

x

terms on one side of =

Subtract  

2 x

from both sides

2 x − 2 x + 3 = 3 x − 2 x − 4

0 + 3 = x − 4

Swap round

x − 4 = 3

Step 2  

Have just  

x

on the left of =

Add  

4

to both sides

x − 4 + 4 = 3 + 4

x = 7

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Tables are created by substitute a set of input values into the function to create outputs. The required table is as shown below

<em>x | y</em>

<em>0   -3 </em>

<em>1   -2.5</em>

<em>2   -2 </em>

<h3>Tables and values</h3>

Tables are created by substitute a set of input values into the function to create outputs

Using x = 0, 1 and 2 as the input values

Given the function

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If x = 0

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Hence the required table is as shown below

x | y

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Elsa tries to solve the following equation, and determines there is no solution. Is she correct? Explain.
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4 years ago
Read 2 more answers
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