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Published byValentine Waters Modified over 9 years ago

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**Copy and complete using a review term from the list below.**

Vocabulary Check Copy and complete using a review term from the list below. variable coefficient constant term equation solution of an equation coordinate plane 1. In the expression 5y, y is the and 5 is the – ? – ? . ANSWER variable; coefficient A statement with an equal sign between two expressions is a(n) 2. ? ANSWER equation

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**Copy and complete using a review term from the list below.**

Vocabulary Check Copy and complete using a review term from the list below. variable coefficient constant term equation solution of an equation coordinate plane 3. The value of x that makes a true statement is a(n) 2x + 5 = 12 ? ANSWER solution of an equation Ordered pairs like and can be graphed in the 4. ? ( ) –2, 3 4, 6 ANSWER coordinate plane

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**Simplify the expression by combining like terms.**

Skill Check Simplify the expression by combining like terms. 5. 7x + 4 – 3x ANSWER + 4 4x 6. + 5x 2x – x ANSWER 2x 7. + 4 x – 12x ANSWER 4 – 11x 8. – 5 6x + x ANSWER – 5 7x

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**Simplify the expression by combining like terms.**

Skill Check Simplify the expression by combining like terms. 9. 15y + 9x – 6x – y ANSWER + 3x 14y 10. + 8x 13y – 2x 3y 10 ANSWER + 6x 10y – 10

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**Solve the equation. Check your solution.**

Skill Check Solve the equation. Check your solution. 11. 3 = 9x – 24 ANSWER 3 ANSWER 2 1 – 8x 7 = 3 12. + 9 6x = 45 – 13. ANSWER 9 – – 1 = 14. 6 4 x ANSWER 28

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**Solve the equation. Check your solution.**

Skill Check Solve the equation. Check your solution. 15. 15 – x = – 22 ANSWER 37 16. + 4 = 9 2 x – ANSWER 26 –

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