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In $3-17,$ solve each equation or inequality. Each solution is an integer.$$3 b+18=12$$

$b=-2$

Algebra

Chapter 1

THE INTEGERS

Section 2

Writing and Solving Number Sentences

The Integers

Equations and Inequalities

Polynomials

Missouri State University

Idaho State University

Lectures

01:32

In mathematics, the absolu…

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01:24

In $3-17,$ solve each equa…

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saw each equation or inequality. Each solution is an integer. The equation is three B plus 18 is equal to 12. So our goal should always be toe isolate the variable, which in this case is B So our first step in doing so will be to subtract 18 from both sides. After you subtract 18 from both sides, you're left with three B on the left hand side and negative six on the right hand side to further isolate be. We wanted to fight by three on both sides. So we get three. Be over three is equal to negative six over three. The threes cancel out. So we're left with B on the left hand side and negative six over three is equivalent to negative too. And so we get B is equal to negative too. And that is

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