Answer:
x = -4
Explanation:
The given expression:
-4x - 7 - 3x + 4 = 25
To solve this expression, the first thing you do is to collect like terms. We'll bring x together as well as constant on the left side of the equation.
-4x - 3x - 7 + 4 = 25
Then we would take the constants on the left to the right side of the equation. Note that when you move a number to the other side of the equation, the sign changes.
-4x - 3x = 25 + 7 - 4
Then we solve
-7x = 28
divide both sides by -7
[tex]\begin{gathered} \frac{-7x}{-7}=\text{ }\frac{28}{-7} \\ x\text{ = -4} \end{gathered}[/tex]
The final answer : x= -4
