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Mathematics
6 April, 04:23
How do I solve: 3 (x+4) = 3
+4
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Joaquin Carrillo
6 April, 04:42
0
In order to solve this, start by distributing the 3.
Essentially, we multiplying each value inside the parenthesis by 3, to get:
3x + 12 = 3
Next, subtract 12 on both sides:
3x + 12 - 12 = 3 - 12
12 - 12 = 0
3 - 12 = - 9
So:
3x = - 9
The last step here is to divide both sides by 3:
3x : 3 = - 9 : 3
3 • X : 3 = X
-9 : 3 = - 3
So, long story short, X = - 3
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Krista Morales
6 April, 04:52
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3x + 12 = 3
(multiply 3 by the variables in the parentheses)
3x + 12 = 3
add 12 to each side
3x = 15
divide each side by 3
X=5
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