2007-12-18 13:43:11 · 2 answers · asked by justin k 1 in Science & Mathematics ➔ Mathematics
14-9x=-80-8x
14-9x+9x=-80-8x+9x
14 +80=-80+x+80
94=x
2007-12-18 13:51:56 · answer #1 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
Simplifying
14 + -9x = -8(10 + x)
14 + -9x = (10 * -8 + x * -8)
14 + -9x = (-80 + -8x)
Solving
14 + -9x = -80 + -8x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '8x' to each side of the equation.
14 + -9x + 8x = -80 + -8x + 8x
Combine like terms: -9x + 8x = -1x
14 + -1x = -80 + -8x + 8x
Combine like terms: -8x + 8x = 0
14 + -1x = -80 + 0
14 + -1x = -80
Add '-14' to each side of the equation.
14 + -14 + -1x = -80 + -14
Combine like terms: 14 + -14 = 0
0 + -1x = -80 + -14
-1x = -80 + -14
Combine like terms: -80 + -14 = -94
-1x = -94
Divide each side by '-1'.
x = 94
Simplifying
x = 94
2007-12-18 21:56:41 · answer #2 · answered by Anonymous · 0⤊ 0⤋