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Solve
-21 = -9 + 2/3b

Sagot :

rparam676

Final Answer: [tex]b = -18[/tex]

Steps/Reasons/Explanation:

Question: Solve [tex]-21 = -9 + \frac{2}{3}b[/tex].

Step 1: Simplify [tex]\frac{2}{3}b[/tex] to [tex]\frac{2b}{3}[/tex].

[tex]-21 = -9 + \frac{2b}{3}[/tex]

Step 2: Regroup terms.

[tex]-21 = \frac{2b}{3} - 9[/tex]

Step 3: Add [tex]9[/tex] to both sides.

[tex]-21 + 9 = \frac{2b}{3}[/tex]

Step 4: Simplify [tex]-21 + 9[/tex] to [tex]-12[/tex].

[tex]-12 = \frac{2b}{3}[/tex]

Step 5: Multiply both sides by [tex]3[/tex].

[tex]-12[/tex] × [tex]3 = 2b[/tex]

Step 6: Simplify [tex]-12[/tex] × [tex]3[/tex] to [tex]-36[/tex].

[tex]-36 = 2b[/tex]

Step 7: Divide both sides by [tex]2[/tex].

[tex]-\frac{36}{2} = b[/tex]

Step 8: Simplify [tex]-\frac{36}{2}[/tex] to [tex]-18[/tex].

[tex]-18 = b[/tex]

Step 9: Switch sides.

[tex]b = -18[/tex]

~I hope I helped you :)~

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