Answer:
x = 1
General Formulas and Concepts:
Pre-Algebra
Explanation:
Step 1: Translate
"Five" = 5
"times" is multiplication
"difference" is subtraction
"twice" means 2 times something
"a number" = x
"is" means equal
"-10" = -10
Step 2: Set up equation
5(2x - 4) = -10
Step 3: Solve for x
- Distribute 5: 10x - 20 = -10
- Isolate x term: 10x = 10
- Isolate x: x = 1