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月 日( )
● 次の方程式を解きなさい [0E4-10]
(1) | | | | | | | | | | | | | | | 0.6 | x | − | 1.8 | = | 1.8 | x | − | 3.06 | − | 1.9 | x | | | | | | | | | | | | | | |
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(2) | | | | | | | | | | | | | | | −2 | + | 1.3 | x | + | 1.1 | x | = | −0.9 | x | + | 0.64 | | | | | | | | | | | | | | |
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(3) | | | | | | | | | | | | | | | −0.4 | x | + | 0.7 | − | 0.5 | x | = | −1.6 | x | + | 1.05 | | | | | | | | | | | | | | |
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(4) | | | | | | | | | | | | | | | 0.1 | + | 0.5 | x | = | −1.1 | x | − | 0.5 | x | − | 2.84 | | | | | | | | | | | | | | |
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(5) | | | | | | | | | | | | | | | 0.6 | x | − | 1.1 | + | 0.9 | x | = | 1.6 | x | − | 1.28 | | | | | | | | | | | | | | |
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