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vova2212 [387]
3 years ago
10

Solve for x. 3(x + 2) = 12 A. x = 2 B. x = 3 1/3 C. x = 4 2/3 D. x = 6

Mathematics
2 answers:
zmey [24]3 years ago
6 0
------------------------------------------------------------
Equation
------------------------------------------------------------
3(x + 2) = 12

------------------------------------------------------------
Open the bracket
------------------------------------------------------------
3x + 6 = 12

------------------------------------------------------------
Subtract 6 from both sides
------------------------------------------------------------
3x + 6 - 6 = 12 - 6
3x = 6

------------------------------------------------------------
Divide by 3 on both sides
------------------------------------------------------------
3x ÷ 3 = 6 ÷ 3
x = 2

------------------------------------------------------------
Answer: x = 2 (Answer A)
------------------------------------------------------------
 
Liula [17]3 years ago
6 0
3(x+2)=12
3x+6=12
3x=12-6
3x=6
x=2
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