Question

is x = - 3,a solution of equation 18x-3=4(5x-6)​

Answer 1

Step-by-step explanation:

$gien \: \: x = - 3 \\ \\ 18x - 3 = 4(5x - 6) \\ 18x - 3 = 20x - 24 \\ 18x - 3 - 20x + 24 = 0 \\ - 2x + 21 = 0 \\ 21 = 2x \\ \frac{21}{2} = x$

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Answer 2

Answer:

Value of this equation = 1.473(approx)

Step-by-step explanation:

Given :

x=-3

Equation = 18x-3=4(5x-6)

To find :

The value of this equation

Solution :

$:\implies\sf{18x-3=4(5x-6)}$

$:\implies\sf{(18\times-3)-3=4(5\times-3-6)}$

$:\implies\sf{-54-3=4(-15-6)}$

Use cross multiplication

$:\implies\sf{-57=-60-24}$

$:\implies\sf{-57=-84}$

$:\implies\sf{\dfrac{-84}{-57}}$

$:\implies\sf{1.473(approx)}$

So , the value of this equation is 1.473 (approx) .