225=-5(7a+5)+5

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Solution for 225=-5(7a+5)+5 equation:


Simplifying
225 = -5(7a + 5) + 5

Reorder the terms:
225 = -5(5 + 7a) + 5
225 = (5 * -5 + 7a * -5) + 5
225 = (-25 + -35a) + 5

Reorder the terms:
225 = -25 + 5 + -35a

Combine like terms: -25 + 5 = -20
225 = -20 + -35a

Solving
225 = -20 + -35a

Solving for variable 'a'.

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

Add '35a' to each side of the equation.
225 + 35a = -20 + -35a + 35a

Combine like terms: -35a + 35a = 0
225 + 35a = -20 + 0
225 + 35a = -20

Add '-225' to each side of the equation.
225 + -225 + 35a = -20 + -225

Combine like terms: 225 + -225 = 0
0 + 35a = -20 + -225
35a = -20 + -225

Combine like terms: -20 + -225 = -245
35a = -245

Divide each side by '35'.
a = -7

Simplifying
a = -7

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