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0912235571

09:18 27/08/2025

Lớp 6 • Toán

3(x+2)+x_-15+28'4

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Gia sư ViLearn

Gia sư

09:21 27/08/2025

Em tham khảo nhé <br /><br /><br /><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn><mrow><mo>(</mo><mi>x</mi><mo>+</mo><mn>2</mn><mo>)</mo></mrow><mo>+</mo><mi>x</mi><mo>-</mo><mn>15</mn><mo>+</mo><mn>284</mn><mo>=</mo><mn>3</mn><mi>x</mi><mo>+</mo><mn>3</mn><mo>.</mo><mn>2</mn><mo>+</mo><mi>x</mi><mo>-</mo><mn>15</mn><mo>+</mo><mn>284</mn><mspace linebreak="newline"/><mo>=</mo><mn>3</mn><mi>x</mi><mo>+</mo><mn>6</mn><mo>+</mo><mi>x</mi><mo>-</mo><mn>15</mn><mo>+</mo><mn>284</mn><mspace linebreak="newline"/><mo>=</mo><mn>4</mn><mi>x</mi><mo>+</mo><mn>275</mn></math>