Question

1. Solve the equation and check the result.
7x - 1=20


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Answer 1

Answer: $\huge\red{\boxed{\sf question}}$

given equation :-

7x - 1=20

$\huge\red{\boxed{\sf AnSwEr}}$

Add  1  to both sides of the equation

$7x-1=20\\7x-1+1=20$

add the numbers

$7x=21$

Divide both sides of the equation by the same term

$7x=21\\7x/7=21/7$

Cancel terms that are in both the numerator and denominator

Divide the numbers

$x=3$

hence , proved✔

Step-by-step explanation: