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MakcuM [25]
3 years ago
5

What is the value of x in the equation 1.5(x + 4) - 3=4.5(x-2)

Mathematics
2 answers:
anyanavicka [17]3 years ago
8 0
Hi there!

The Eqn. is :-

1.5 (x + 4) - 3 = 4.5 (x - 2)

1.5x + 6 - 3 = 4.5x - 9

Combining the like terms :-

1.5x - 4.5x = - 9 - 6 + 3

- 3x = - 15 + 3

- 3x = - 12

x = \dfrac {- 12}{- 3}

x = 4

Hence, the required answer is → x = 4

~ Hope it helps!
rodikova [14]3 years ago
5 0
Hi there! The answer is x = 4.

Let's solve this equation step by step!
1.5(x + 4) - 3 = 4.5(x  - 2)

First we need to work out the parenthesis, which can for instance be done using rainbow technique.
1.5x + 6 - 3 = 4.5x - 9

First collect terms.
1.5x + 3 = 4.5x - 9

Subtract 3 from both sides
1.5x  = 4.5x - 12

Subtract 4.5x from both sides.
- 3x =  - 12

And finally divide both sides by -3.
x =  \frac{ - 12}{ - 3}  = 4

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