225=-7+8(-5n-6)

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Solution for 225=-7+8(-5n-6) equation: 


Simplifying
225 = -7 + 8(-5n + -6)

Reorder the terms:
225 = -7 + 8(-6 + -5n)
225 = -7 + (-6 * 8 + -5n * 8)
225 = -7 + (-48 + -40n)

Combine like terms: -7 + -48 = -55
225 = -55 + -40n

Solving
225 = -55 + -40n

Solving for variable 'n'.

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

Add '40n' to each side of the equation.
225 + 40n = -55 + -40n + 40n

Combine like terms: -40n + 40n = 0
225 + 40n = -55 + 0
225 + 40n = -55

Add '-225' to each side of the equation.
225 + -225 + 40n = -55 + -225

Combine like terms: 225 + -225 = 0
0 + 40n = -55 + -225
40n = -55 + -225

Combine like terms: -55 + -225 = -280
40n = -280

Divide each side by '40'.
n = -7

Simplifying
n = -7

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