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一元一次方程与代数求值挑战

If \( 10+\frac{6(7-x)}{5}=\frac{4(7-x)}{3} \), which equation must also be true?

一元一次方程与代数求值进阶

At a particular restaurant, the total cost of 6 chicken wings and a salad is 15.3 dollars. If the cost of each chicken wing is 1.25 dollars and there is no sales tax, what is the cost, in dollars, of the salad?

一元一次方程与代数求值进阶

\( t(v−49)+t=w \)
The given equation relates the positive numbers w, t, and v. Which equation correctly expresses v in terms of t and w?

一元一次方程与代数求值进阶

If \( 7+x=1 \), what is the value of\( −22−2x \)?

一元一次方程与代数求值挑战

If \( 6-5x=48 \), what is the value of \( \frac{1}{6}(6-5x) \)?

一元一次方程与代数求值进阶

If \( 7(6-9x)+4=6(6-9x)+19 \), what is the value of \( 6−9x \)?

一元一次方程与代数求值进阶

\( \frac{j}{5}=k+9m \)
The given equation relates the distinct positive numbers j, k, and m. Which equation correctly expresses j in terms of k and m?

一元一次方程与代数求值进阶

If \( \frac{x}{y}=64 \) and \( \frac{cx}{4y}=64 \), what is the value of c?

一元一次方程与代数求值挑战

Which expression is equivalent to \( 9yz^3+6yz+3yz^3 \)?

一元一次方程与代数求值进阶

\( x+y=71 \)
The given equation relates the total number of marble queen pothos stems, x, and the total number of snow queen pothos stems, y, a plant nursery propagates to create pothos plants. If 21 snow queen pothos stems are propagated, how many marble queen pothos stems are propagated?

一元一次方程与代数求值进阶

If \( \frac{x}{y}=36 \) and \( \frac{cx}{3y}=36 \), what is the value of c?

一元一次方程与代数求值进阶

If \( 8(5-2x)+3=7(5-2x)+18 \), what is the value of \( 5−2x \)?