Question

What is the value of x in this equation: 4x + 5 = 3x + 4? Solve the equation using the algebra tiles.

Answer 1

x=-1

Explanation:

4x+5=3x+4

subtract 3x from both sides of the equation

4x+5=3x+4

-3x -3x

x+5=4

subtract 5 from both sides of the equation

x+5=4

-5 -5

x=-1

Answer 2

x = -1

Explanation:

4x + 5 = 3x + 4

-5 -5

4x = 3x -1

-3x = -3x

1x = -1

x = -1