It's the indicated sum of eight terms, equal to 1,804.1 .
6
4x - 12 = 4Divide each side by 4:x - 3 = 1Add 3 to each side:x = 4
- x - 2 = 1 - 2xAdd 2x to each side:x - 2 = 1Add 2 to each side:x = 3
2x - 5 = 1Add 5 to each side:2x = 6Divide each side by 2:x = 3
Let's look at an example:Method 1add 6 to each sidedivide each side by 2Method 2divide each side by 2separate the fractionssimplifyadd 3 to each sideCheck the answer:
-2x + 19 = 8x - 1Add 1 to each side:-2x + 20 = 8xAdd 2x to each side:20 = 10xDivide each side by 10:x = 2
6x - 3 = 2x + 1Add 3 to each side:6x = 2x + 4Subtract 2x from each side:4x = 4Divide each side by 4:x = 1
-3y + 4 = -1Add 3y to each side:4 = -1 + 3yAdd 1 to each side:5 = 3yDivide each side by 3:y = 5/3
6x - 3 = 2x + 1Add 3 to each side:6x = 2x + 4Subtract 2x from each side:4x = 4Divide each side by 4:x = 1
8x - 8y = 1Add 8y to each side:8x = 8y + 1Subtract 1 from each side:8x - 1 = 8yDivide each side by 8:y = x - (1/8)
8x - 3 = 5x + 1Add 3 to each side:8x = 5x + 4Subtract 5x from each side:3x = 4Divide each side by 3:x = 4/3
5x - 8 = yWhen y = 1,5x - 8 = 1Add 8 to each side of the equation:5x = 9Divide each side by 5:x = 9/5 = 1.8