How do you simplify ½(8x – 6) + (1/3)(9x + 3)?

1 Answer
Jul 14, 2018

7x - 2

Explanation:

1/2(8x-6) + 1/3(9x+3)

To simplify this, use the distributive property:
cdn.virtualnerd.com

Following this image, we know that:
color(blue)(1/2(8x-6) = (1/2 * 8x) + (1/2 * -6) = 4x - 3)
and
color(blue)(1/3(9x+3) = (1/3 * 9x) + (1/3 * 3) = 3x + 1)

Combine the two expressions:
4x - 3 + 3x + 1

Color-code like terms:
color(red)(4x) quadcolor(blue)(-quad3) quadcolor(red)(+quad3x) quadcolor(blue)(+quad1)

Therefore, the expression is:
7x - 2