Evaluate 13-0.75 w+8x when w=12 and x=(1)/(2).

Substitute given values: Substitute the given values for w and x into the expression. Expression: 13 - 0.75(12) + 8(1/2)Calculate term with w: Calculate the term with w: 0.75 times 12. 0.75 * 12 = 9Calculate term with x: Calculate the term with x: 8 times 1/2. 8 * 1/2 = 4Replace calculated values: Replace the calculated values back into the expression. Expression: 13 - 9 + 4Perform subtraction and addition: Perform the subtraction and addition in the expression. 13 - 9 + 4 = 4 + 4Add remaining terms: Add the remaining terms. 4 + 4 = 8

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Evaluate
13-0.75 w+8x when
w=12 and
x=(1)/(2).

Evaluate $13-0.75w+8x$ when $w=12$ and $x=\frac{1}{2}$ .

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Math Problems

Algebra 1

Evaluate variable expressions involving rational numbers

Full solution

Q. Evaluate

13-0.75w+8x

when

w=12

and

x=\frac{1}{2}

Substitute given values: Substitute the given values for $w$ and $x$ into the expression. $\newline$ Expression: $13 - 0.75(12) + 8(\frac{1}{2})$
Calculate term with w: Calculate the term with w: $0.75$ times $12$ . $\newline$ $0.75 \times 12 = 9$
Calculate term with x: Calculate the term with x: $8$ times $\frac{1}{2}$ . $\newline$ $8 \times \frac{1}{2} = 4$
Replace calculated values: Replace the calculated values back into the expression. $\newline$ Expression: $13 - 9 + 4$
Perform subtraction and addition: Perform the subtraction and addition in the expression. $13 - 9 + 4 = 4 + 4$
Add remaining terms: Add the remaining terms. $4 + 4 = 8$