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Algebra
Posted by Beatriz Valdes on July 25, 2024 at 5:58 pmSolve for y: 4y + 9 = 2y – 5
brajesh replied 8 months, 3 weeks ago 2 Members · 1 Reply -
1 Reply
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To solve the equation <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mn>4</mn><mi>y</mi><mo>+</mo><mn>9</mn><mo>=</mo><mn>2</mn><mi>y</mi><mo>−</mo><mn>5</mn></mrow><annotation encoding=”application/x-tex”>4y + 9 = 2y – 5</annotation></semantics></math>4y+9=2y−5, follow these steps:
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Subtract <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mn>2</mn><mi>y</mi></mrow><annotation encoding=”application/x-tex”>2y</annotation></semantics></math>2y from both sides to get all the <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mi>y</mi></mrow><annotation encoding=”application/x-tex”>y</annotation></semantics></math>y terms on one side: <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mn>4</mn><mi>y</mi><mo>+</mo><mn>9</mn><mo>−</mo><mn>2</mn><mi>y</mi><mo>=</mo><mn>2</mn><mi>y</mi><mo>−</mo><mn>5</mn><mo>−</mo><mn>2</mn><mi>y</mi></mrow><annotation encoding=”application/x-tex”>4y + 9 – 2y = 2y – 5 – 2y</annotation></semantics></math>4y+9−2y=2y−5−2y <math xmlns=”http://www.w3.org/1998/Math/MathML”><semantics><mrow><mn>2</mn><mi>y</mi><mo>+</mo><mn>9</mn><mo>=</mo><mo>−</mo><mn>5</mn></mrow><annotation encoding=”application/x-tex”>2y + 9 = -5</annotation></semantics></math>2y+9=−5
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