1-(2a-5)-2(a+2)=3a+5

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Solution for 1-(2a-5)-2(a+2)=3a+5 equation:


Simplifying
1 + -1(2a + -5) + -2(a + 2) = 3a + 5

Reorder the terms:
1 + -1(-5 + 2a) + -2(a + 2) = 3a + 5
1 + (-5 * -1 + 2a * -1) + -2(a + 2) = 3a + 5
1 + (5 + -2a) + -2(a + 2) = 3a + 5

Reorder the terms:
1 + 5 + -2a + -2(2 + a) = 3a + 5
1 + 5 + -2a + (2 * -2 + a * -2) = 3a + 5
1 + 5 + -2a + (-4 + -2a) = 3a + 5

Reorder the terms:
1 + 5 + -4 + -2a + -2a = 3a + 5

Combine like terms: 1 + 5 = 6
6 + -4 + -2a + -2a = 3a + 5

Combine like terms: 6 + -4 = 2
2 + -2a + -2a = 3a + 5

Combine like terms: -2a + -2a = -4a
2 + -4a = 3a + 5

Reorder the terms:
2 + -4a = 5 + 3a

Solving
2 + -4a = 5 + 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.
2 + -4a + -3a = 5 + 3a + -3a

Combine like terms: -4a + -3a = -7a
2 + -7a = 5 + 3a + -3a

Combine like terms: 3a + -3a = 0
2 + -7a = 5 + 0
2 + -7a = 5

Add '-2' to each side of the equation.
2 + -2 + -7a = 5 + -2

Combine like terms: 2 + -2 = 0
0 + -7a = 5 + -2
-7a = 5 + -2

Combine like terms: 5 + -2 = 3
-7a = 3

Divide each side by '-7'.
a = -0.4285714286

Simplifying
a = -0.4285714286

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