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ehidna [41]
3 years ago
11

Emily is solving the equation 2(x+9)=4(x+7)+2 where did she make an error

Mathematics
1 answer:
Wittaler [7]3 years ago
6 0
Hello!

2(x + 9) = 4(x + 7) + 2

Distribute the 2

2x + 18 = 4(x + 7) + 2

Distribute the 4

2x + 18 = 4x + 28 + 2

Combine like terms

2x + 18 = 4x + 30

Subtract 18 from both sides

2x = 4x + 12

Subtract 4x from both sides

-2x = 12

Divide both sides by -2

x = -6

Where she did something different than me is her mistake

Hope this helps!
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