7-9x-(x+12)alt=25

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Solution for 7-9x-(x+12)alt=25 equation:


Simplifying
7 + -9x + -1(x + 12) * alt = 25

Reorder the terms:
7 + -9x + -1(12 + x) * alt = 25

Reorder the terms for easier multiplication:
7 + -9x + -1alt(12 + x) = 25
7 + -9x + (12 * -1alt + x * -1alt) = 25
7 + -9x + (-12alt + -1altx) = 25

Reorder the terms:
7 + -12alt + -1altx + -9x = 25

Solving
7 + -12alt + -1altx + -9x = 25

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -12alt + -1altx + -7 + -9x = 25 + -7

Reorder the terms:
7 + -7 + -12alt + -1altx + -9x = 25 + -7

Combine like terms: 7 + -7 = 0
0 + -12alt + -1altx + -9x = 25 + -7
-12alt + -1altx + -9x = 25 + -7

Combine like terms: 25 + -7 = 18
-12alt + -1altx + -9x = 18

Add '9x' to each side of the equation.
-12alt + -1altx + -9x + 9x = 18 + 9x

Combine like terms: -9x + 9x = 0
-12alt + -1altx + 0 = 18 + 9x
-12alt + -1altx = 18 + 9x

Reorder the terms:
-18 + -12alt + -1altx + -9x = 18 + 9x + -18 + -9x

Reorder the terms:
-18 + -12alt + -1altx + -9x = 18 + -18 + 9x + -9x

Combine like terms: 18 + -18 = 0
-18 + -12alt + -1altx + -9x = 0 + 9x + -9x
-18 + -12alt + -1altx + -9x = 9x + -9x

Combine like terms: 9x + -9x = 0
-18 + -12alt + -1altx + -9x = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(18 + 12alt + altx + 9x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(18 + 12alt + altx + 9x)' equal to zero and attempt to solve: Simplifying 18 + 12alt + altx + 9x = 0 Solving 18 + 12alt + altx + 9x = 0 Move all terms containing a to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + 12alt + altx + -18 + 9x = 0 + -18 Reorder the terms: 18 + -18 + 12alt + altx + 9x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 12alt + altx + 9x = 0 + -18 12alt + altx + 9x = 0 + -18 Combine like terms: 0 + -18 = -18 12alt + altx + 9x = -18 Add '-9x' to each side of the equation. 12alt + altx + 9x + -9x = -18 + -9x Combine like terms: 9x + -9x = 0 12alt + altx + 0 = -18 + -9x 12alt + altx = -18 + -9x The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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