7a-4-2(a+5)+25=2a-5

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Solution for 7a-4-2(a+5)+25=2a-5 equation:


Simplifying
7a + -4 + -2(a + 5) + 25 = 2a + -5

Reorder the terms:
7a + -4 + -2(5 + a) + 25 = 2a + -5
7a + -4 + (5 * -2 + a * -2) + 25 = 2a + -5
7a + -4 + (-10 + -2a) + 25 = 2a + -5

Reorder the terms:
-4 + -10 + 25 + 7a + -2a = 2a + -5

Combine like terms: -4 + -10 = -14
-14 + 25 + 7a + -2a = 2a + -5

Combine like terms: -14 + 25 = 11
11 + 7a + -2a = 2a + -5

Combine like terms: 7a + -2a = 5a
11 + 5a = 2a + -5

Reorder the terms:
11 + 5a = -5 + 2a

Solving
11 + 5a = -5 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
11 + 5a + -2a = -5 + 2a + -2a

Combine like terms: 5a + -2a = 3a
11 + 3a = -5 + 2a + -2a

Combine like terms: 2a + -2a = 0
11 + 3a = -5 + 0
11 + 3a = -5

Add '-11' to each side of the equation.
11 + -11 + 3a = -5 + -11

Combine like terms: 11 + -11 = 0
0 + 3a = -5 + -11
3a = -5 + -11

Combine like terms: -5 + -11 = -16
3a = -16

Divide each side by '3'.
a = -5.333333333

Simplifying
a = -5.333333333

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