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Pearson Algebra 1 Common Core, 2011

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Pearson Algebra 1 Common Core, 2011 View details

5. Rational Exponents and Radicals

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Exercise 67 Page 452

You will need to apply the Properties of Equality, solving until the equation is in standard form.

2x-y=13

Practice makes perfect

Equations in standard form are written in a specific format. Ax+ By= CIn this form, A, B, and C are integers. Besides, A and B cannot both be zero. We will use the Properties of Equality to rewrite the given equation in this form.

y+3=2(x-5)

Distribute 2

y+3=2x-10

LHS-y=RHS-y

3=2x-10-y

LHS+10=RHS+10

13=2x-y

Rearrange equation

2x-y=13

Below we compare this result with the general standard form equation. Ax+ By&= C 2x - 1y&= 13

Subchapter links

Lesson Check p.450

Practice and Problem-Solving Exercises p.450-452

Standardized Test Prep p.452