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
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