Answer:
3(4 + n) = n + 18
n = 3
Step-by-step explanation:
because the sum of 4 and a number is multiplied by three. That equals the number plus 18. N = 3. in the image below are the steps you can take to solve the equation.
6.7 to 26
x=5
The triangle angle sum theorem states that the 3 angles in the triangle must equal 180 degrees.
