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Sagot :
separateAnswer:
A) x = 4/3
Step-by-step explanation:
Multiply each term by 7 so you get
-7x + 3 = 14x - 25
Take the x's and the integers to seperate sides
3 + 25 = 14x + 7x
28 = 21x
Divide the 21 to get the x alone
28/21 = x
Simplify; x = 4/3
The variable x in the equation [tex]-x+\frac{3}{7} =2x-\frac{25}{7}[/tex] is 4 / 3.
How to find the variable in an equation
Variables are numbers represented by letters in an equation. Therefore, let's find the variable x in the equation.
[tex]-x+\frac{3}{7} =2x-\frac{25}{7}[/tex]
add x to both sides of the equation
-x + x + [tex]\frac{3}{7} = 2x+x-\frac{25}{7}[/tex]
Therefore,
[tex]\frac{3}{7} =3x-\frac{25}{7}[/tex]
add 25 / 7 to both sides of the equation
[tex]\frac{3}{7} +\frac{25}{7}=3x[/tex]
[tex]\frac{3 + 25}{7} = 3x[/tex]
[tex]\frac{28}{7}=3x[/tex]
cross multiply
28 = 7 × 3x
21x = 28
x = 28 / 21
x = 4 / 3
learn more on equation here: https://brainly.com/question/12210937
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