Subtract 17 from both sides of the equation.
x+7-17=20
x+17-17=20-17
Simplify
Subtract the numbers
x=3
Answer : x=3
Answer:
x = 3
Explanation:
isolate the variable (x) by subtracting 17 from both sides. (x + 17) - 17 = x and (20-17) = 3
therefore x=3
