Question

the value of x for which the expressions 7x+13 and 13x-7 become equal is​

Answer 1

Answer:

1

GIVEN:

7x+13=13x+7

then:

13x-7x=13-7

then:

6x=6

hence:

x=6/6

=1

ANSWER : x=1

Answer 2

The value of x for which the expressions 7x + 13 and 13x - 7 become equal is 10/3

Given :

The expressions 7x + 13 and 13x - 7

To find :

The value of x for which the expressions are equal

Solution :

Step 1 of 2 :

Write down the given expressions

The given expressions are 7x + 13 and 13x - 7

Step 2 of 2 :

Find the value of x

By the given condition

$\displaystyle \sf{ 7x + 13 = 13x - 7}$

$\displaystyle \sf{ \implies 7x - 13x = - 13 - 7}$

$\displaystyle \sf{ \implies - 6x = - 20}$

$\displaystyle \sf{ \implies x = \frac{ - 20}{ - 6} }$

$\displaystyle \sf{ \implies x = \frac{ 10}{ 3} }$

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