Answer:
7
Step-by-step explanation:
Simplifying
7x + -7 = 4x + 14
Reorder the terms:
-7 + 7x = 4x + 14
Reorder the terms:
-7 + 7x = 14 + 4x
Solving
-7 + 7x = 14 + 4x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4x' to each side of the equation.
-7 + 7x + -4x = 14 + 4x + -4x
Combine like terms: 7x + -4x = 3x
-7 + 3x = 14 + 4x + -4x
Combine like terms: 4x + -4x = 0
-7 + 3x = 14 + 0
-7 + 3x = 14
Add '7' to each side of the equation.
-7 + 7 + 3x = 14 + 7
Combine like terms: -7 + 7 = 0
0 + 3x = 14 + 7
3x = 14 + 7
Combine like terms: 14 + 7 = 21
3x = 21
Divide each side by '3'.
x = 7
Simplifying
x = 7
