15(-8n-36)=-21(2-18n)

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Solution for 15(-8n-36)=-21(2-18n) equation:


Simplifying
15(-8n + -36) = -21(2 + -18n)

Reorder the terms:
15(-36 + -8n) = -21(2 + -18n)
(-36 * 15 + -8n * 15) = -21(2 + -18n)
(-540 + -120n) = -21(2 + -18n)
-540 + -120n = (2 * -21 + -18n * -21)
-540 + -120n = (-42 + 378n)

Solving
-540 + -120n = -42 + 378n

Solving for variable 'n'.

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

Add '-378n' to each side of the equation.
-540 + -120n + -378n = -42 + 378n + -378n

Combine like terms: -120n + -378n = -498n
-540 + -498n = -42 + 378n + -378n

Combine like terms: 378n + -378n = 0
-540 + -498n = -42 + 0
-540 + -498n = -42

Add '540' to each side of the equation.
-540 + 540 + -498n = -42 + 540

Combine like terms: -540 + 540 = 0
0 + -498n = -42 + 540
-498n = -42 + 540

Combine like terms: -42 + 540 = 498
-498n = 498

Divide each side by '-498'.
n = -1

Simplifying
n = -1

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