What is x + (x - 38) = 180?

2010-08-20 7:31 am

回答 (12)

2010-08-20 10:41 am

✔ 最佳答案

x + (x - 38) = 180
x + x - 38 = 180
2x = 180 + 38
x = 218/2
x = 109

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2010-08-20 2:34 pm

x + (x - 38) = 180
2x - 38 = 180
2x = 218
x = 109

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2010-08-20 2:33 pm

x + (x - 38) = 180

=> 2x - 38 = 180

=> 2x = 180 + 38 = 218

=> x = 218/2 = 109

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2010-08-20 2:32 pm

x + (x - 38) = 180
2x - 38 = 180
2x = 218
x = 109

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2010-08-20 4:47 pm

Nice -

x + (x - 38) = 180
2x - 38 = 180
2x = 218
x = 109

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2010-08-20 4:43 pm

x + (x - 38) = 180
2x - 38 = 180
2x = 218
x = 109

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2010-08-20 3:01 pm

x + (x - 38) = 180

Removing the braces,
x + x - 38 = 180

Adding 38 to both sides,
2x = 218

Dividing both sides by 2,
x = 109.

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2010-08-20 2:58 pm

2x = 180 + 38
2x = 218
x = 109

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2010-08-20 2:46 pm

X = 109

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2010-08-20 2:44 pm

x + (x - 38) = 180
2x - 38 = 180
2x = 218
x = 109

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