找到你今天要练的题。

If x =40, what is the value of x +6?

7m =5(n + p )
The given equation relates the positive numbers m, n, and p. Which equation correctly gives n in terms of m and p?

\( \frac{-54}{w}=6 \) 
What is the solution to the given equation?

If 2x =12, what is the value of 9x ?

7m =5(n + p )
The given equation relates the positive numbers m, n, and p. Which equation correctly gives n in terms of m and p?

A line segment that has a length of 115 centimeters (cm) is divided into three parts. One part is 47 cm long. The other two parts have lengths that are equal to each other. What is the length, in cm, of one of the other two parts of equal length?

A mixture consisting of only vitamin D and calcium has a total mass of 150 grams. The mass of vitamin D in the mixture is 50 grams. What is the mass, in grams, of calcium in the mixture?

If \( 2x+3=9 \), what is the value of \( 6x−1 \)\( ? \)

\( 8x-7x+130=260 \) 
What value of x is the solution to the given equation?

\( x=8a\left(b+9\right) \) 
The given equation relates the positive numbers a, b, and x. Which equation correctly expresses a in terms of b and x?

If \( \frac{4a}{b} \)= 6.7 and \( \frac{a}{bn} \)= 26.8, what is the value of n ?

4x +6=18
Which equation has the same solution as the given equation?