-18=a(d+1)

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Solution for -18=a(d+1) equation:


Simplifying
-18 = a(d + 1)

Reorder the terms:
-18 = a(1 + d)
-18 = (1 * a + d * a)
-18 = (1a + ad)

Solving
-18 = 1a + ad

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-18 + -1a = 1a + -1a + ad

Combine like terms: 1a + -1a = 0
-18 + -1a = 0 + ad
-18 + -1a = ad

Add '-1ad' to each side of the equation.
-18 + -1a + -1ad = ad + -1ad

Combine like terms: ad + -1ad = 0
-18 + -1a + -1ad = 0

Add '18' to each side of the equation.
-18 + -1a + 18 + -1ad = 0 + 18

Reorder the terms:
-18 + 18 + -1a + -1ad = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -1a + -1ad = 0 + 18
-1a + -1ad = 0 + 18

Combine like terms: 0 + 18 = 18
-1a + -1ad = 18

Reorder the terms:
-18 + -1a + -1ad = 18 + -18

Combine like terms: 18 + -18 = 0
-18 + -1a + -1ad = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(18 + a + ad) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(18 + a + ad)' equal to zero and attempt to solve: Simplifying 18 + a + ad = 0 Solving 18 + a + ad = 0 Move all terms containing a to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + a + -18 + ad = 0 + -18 Reorder the terms: 18 + -18 + a + ad = 0 + -18 Combine like terms: 18 + -18 = 0 0 + a + ad = 0 + -18 a + ad = 0 + -18 Combine like terms: 0 + -18 = -18 a + ad = -18 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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