15by - 21y + 25b - 35 = 3y \left(5b - 7\right) + 5 \left(5b - 7\right)

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Algebra 2 - Solving by factoring and using the square root method x^2 + 16x + 64 = 15

https://www.youtube.com/watch?v=WGuLJdN2Tuo

Algebra 2 - using the square root method to solve a quadratic equation 4x^2 - 4x + 1 = 9

https://www.youtube.com/watch?v=90FQ2oLoEEQ

Algebra 2 - Putting an linear equation when A is negative - Help on math, -8x = 9y + 3

https://www.youtube.com/watch?v=gCcxFHWNCp0

Algebra 2 - Equations in standard form, -6y + 14 = 8x

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Tutorial - Evaluating an expression with two variables ex 8, (3g + 6)/n; g = 5; h = 7

https://www.youtube.com/watch?v=p-K-afavJdw

Using two multiplier to solve using elimination 5g + 4k = 10, -3g - 5k = 7

https://www.youtube.com/watch?v=AMhQSAx2DxQ

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Main Topic: Two-variable linear equations

Algebraic equations that have two distinct variables.

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