Simplifyng algebraic expressions -2z-3w+7+8 use z=3 and w=9

asked Mar 5, 2021 159k views

4 votes

Simplifyng algebraic expressions

-2z-3w+7+8 use z=3 and w=9

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5 votes

Answer:

-9

Explanation:

Substitute 3 for z and 9 for w in the equation.

- 2z - 3w + 7 + 8

- 2(3) - 3(9) + 15

- 6 - 18 + 15

- 24 + 15

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