[tex]-3[/tex] is the value of x in the equation [tex]0.7x -1.4 = -3.5[/tex]
What is equation?
In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
According to question, we have to find the value of x in the equation [tex]0.7x -1.4 = -3.5[/tex]
Now,[tex]0.7x -1.4 = -3.5[/tex]
⇒[tex]x=\frac{-2.1}{0.7} \\[/tex]
⇒[tex]x=-3[/tex]
So,-[tex]3[/tex] is the value of x in the equation [tex]0.7x -1.4 = -3.5[/tex]
Hence, Option(B) is correct.
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