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

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


Simplifying
7a + -5(a + -2) + -1a = 4 + -2(a + -5) + -1a

Reorder the terms:
7a + -5(-2 + a) + -1a = 4 + -2(a + -5) + -1a
7a + (-2 * -5 + a * -5) + -1a = 4 + -2(a + -5) + -1a
7a + (10 + -5a) + -1a = 4 + -2(a + -5) + -1a

Reorder the terms:
10 + 7a + -5a + -1a = 4 + -2(a + -5) + -1a

Combine like terms: 7a + -5a = 2a
10 + 2a + -1a = 4 + -2(a + -5) + -1a

Combine like terms: 2a + -1a = 1a
10 + 1a = 4 + -2(a + -5) + -1a

Reorder the terms:
10 + 1a = 4 + -2(-5 + a) + -1a
10 + 1a = 4 + (-5 * -2 + a * -2) + -1a
10 + 1a = 4 + (10 + -2a) + -1a

Combine like terms: 4 + 10 = 14
10 + 1a = 14 + -2a + -1a

Combine like terms: -2a + -1a = -3a
10 + 1a = 14 + -3a

Solving
10 + 1a = 14 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
10 + 1a + 3a = 14 + -3a + 3a

Combine like terms: 1a + 3a = 4a
10 + 4a = 14 + -3a + 3a

Combine like terms: -3a + 3a = 0
10 + 4a = 14 + 0
10 + 4a = 14

Add '-10' to each side of the equation.
10 + -10 + 4a = 14 + -10

Combine like terms: 10 + -10 = 0
0 + 4a = 14 + -10
4a = 14 + -10

Combine like terms: 14 + -10 = 4
4a = 4

Divide each side by '4'.
a = 1

Simplifying
a = 1

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