-2(4x + 5) +3 = -8
-2(4x + 5) +3 = -8
-8x

Distribute -2
-2(4x + 5) +3 = -8
-8x – 10

Distribute -2
-2(4x + 5) +3 = -8
-8x – 10 + 3 = -8
-2(4x + 5) +3 = -8
-8x – 10 + 3 = -8
-8x – 7= -8

Combine Like Terms
-2(4x + 5) +3 = -8
-8x – 10 + 3 = -8
-8x – 7= -8
+7 +7
-8x = -1

Do the inverse of -7
-2(4x + 5) +3 = -8
-8x – 10 + 3 = -8
-8x – 7= -8
+7 +7
-8x = -1
-8 -8

Do the inverse of multiply -8
-2(4x + 5) +3 = -8
-8x – 10 + 3 = -8
-8x – 7= -8
+7 +7
-8x = -1
-8 -8
1
x= 8

Sol3

  • 1.
    -2(4x + 5)+3 = -8
  • 2.
    -2(4x + 5)+3 = -8 -8x Distribute -2
  • 3.
    -2(4x + 5)+3 = -8 -8x – 10 Distribute -2
  • 4.
    -2(4x + 5)+3 = -8 -8x – 10 + 3 = -8
  • 5.
    -2(4x + 5)+3 = -8 -8x – 10 + 3 = -8 -8x – 7= -8 Combine Like Terms
  • 6.
    -2(4x + 5)+3 = -8 -8x – 10 + 3 = -8 -8x – 7= -8 +7 +7 -8x = -1 Do the inverse of -7
  • 7.
    -2(4x + 5)+3 = -8 -8x – 10 + 3 = -8 -8x – 7= -8 +7 +7 -8x = -1 -8 -8 Do the inverse of multiply -8
  • 8.
    -2(4x + 5)+3 = -8 -8x – 10 + 3 = -8 -8x – 7= -8 +7 +7 -8x = -1 -8 -8 1 x= 8