🧩 (2x + 30) + (2x - 10) = 180. Supplementary Angles Using Algebra Skills of One Variable Equation.
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YouTubeMr. X_Plainer 🎬
🧩 (2x + 30) + (2x - 10) = 180. Supplementary Angles Using Algebra Skills of One Variable Equation.
🧩 Supplementary Equation: 🧠 ️ ( 2x + 30) + (2x -10) = 180 Remove Parenthesis 2x + 30 + 2x - 10 =180 Combine Liked terms ( 2x + 2x) + ( 30 - 10) =180 4x + 20 = 180 Subtract both sides by 20 4x + 20 - 20 = 180 - 20 4x = 160 Divide both sides by 4 4x/4 = 160/4 x = 40 Therefore: ( 2(40) + 30) = 110 ️ 80 + 30 is 110 And: ( 2(40) - 10) = 70 ...
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