6x +12 - 3x = 70 Plz step by step

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

5 0

6x +12 - 3x = 70

6x-3x+12= 70

3x+12= 70

move +12 to the other side

sign changes from +12 to -12

3x+12-12=70-12

3x= 58

divide by 3 for both sides

3x/3=58/3

x=58/3 or x=19 1/3

Answer: x=58/3 or x=19 1/3

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1 year ago

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Hey!

To solve this equation, we'd first have to apply the distributing rule to this equation.

Original Equation :
$( 3a - 2 )^{2}$

New Equation {Changed by Applying the Distribution Rule} :
$( 3a )^{2} - 2$ · 3a · 2 + $2 ^{2}$

And now we simplify.

Old Equation :
$( 3a ) ^{2} -2$ · 3a · 2 + $2 ^{2}$

New Equation {Old Equation Simplified} :
$9a ^{2}$ - 12a + 4

So, the equation $(3a - 2) ^{2}$ simplified is $9a ^{2}$ - 12a + 4.

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