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Rudik [331]
3 years ago
8

18. Find the value of x that makes the equation true.

Mathematics
1 answer:
IgorC [24]3 years ago
6 0

Step-by-step explanation:

✧ \large{ \tt{ \:  \frac{1}{2} x + 2 =  \frac{3}{2} x - 6}}

We need to get rid of the fractions. Notice that there are 4 terms in the equation. Multiply both sides of the equation by 2 to get rid of the fractions. Multiply by 2 because 2 is the denominator.

⤑ \large{ \tt{2( \frac{1}{2} x + 2) = 2( \frac{3}{2} x - 6)}}

⤑ \large{ \tt{x + 4 = 3x - 12}}

Subtract 4 from both sides in order to isolate the variable on the left.

⤑ \large{ \tt{x + 4 - 4 = 3x - 12 - 4}}

⤑\large{  \tt{x = 3x - 16}}

Move 3x to left hand side and change it's sign

⤑\large {\tt{x - 3x  =  - 16}}

Subtract 3x from 1x

⤑ \large{ \tt{ - 2x =  - 16}}

Divide both sides of the equation by -2

⤑ \large{ \tt{ \frac{ - 2x}{ - 2}  =  \frac{ - 16}{ - 2}}}

⤑ \large{ \tt{x = 8}}

\boxed{ \boxed{ \underline{ \tt{Our \: Final \: Answer :  \boxed{ \underline{ \tt{x = 8}}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

☞ \underline{ \underline{ \mathfrak{Carry \:On \:Learning}}}!!▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

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