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harkovskaia [24]
3 years ago
14

2x + 12 = -2(4-2x) X=10 X=-10 X=-5 X=5

Mathematics
2 answers:
Greeley [361]3 years ago
6 0

Answer:

\boxed{x = 10}

Step-by-step explanation:

=  > 2x + 12 =  - 2(4 - 2x) \\  \\  =  > 2x + 12 =  (( - 2) \times 4) - (( - 2) \times 2x) \\  \\  =  > 2x + 12 =  - 8 - ( - 4x) \\  \\  =  > 2x + 12 =  - 8 + 4x \\  \\  =  > 2x - 4x + 12 =  - 8 \\  \\  =  >  - 2x + 12 =  - 8 \\  \\  =  >  - 2x =  - 8 - 12 \\  \\  =  >   \cancel{-} 2x =   \cancel{- }20 \\  \\  =  > 2x = 20 \\  \\  =  > x =  \frac{20}{2}  \\  \\  =  > x = 10

fomenos3 years ago
6 0
The first one is x=10
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