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4a+139=4a+123

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Cristal Mendoza ∙

Lvl 2
∙ 5y ago
Updated: 9/27/2023

−4a + 139 = 4a + 123 → −8a = −16 → a = 2

4a + 123 → 4(2) + 123 = 8 + 123 = 131°

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Cristal Mendoza ∙

Lvl 2
∙ 5y ago
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