Answer:
-28 + 7x
General Formulas and Concepts:
<u>Pre-Algebra</u>
Step-by-step explanation:
<u>Step 1: Define</u>
-7(4 - x)
<u>Step 2: Simplify</u>
- Distribute -7: -7(4) - 7(-x)
- Multiply: -28 + 7x
Answer:
<u>Step-by-step explanation:</u>
Since the expressions have the same denominator, we simply need to add the numerators.
By doing doing the math question and explaining it at the same time
<span>let's analyze two cases
</span>
case A) <span>2(√x)−4=10
2</span>√x=10+4----> 2√x=14----> √x=14/2----> square---> x=7²----> x=49
case B)
2√(x-4)=10
√(x-4)=10/2-----> square---> x-4=5²----> x=25+4-----> x=29