5-3[2a-6(5a-4)-7]=

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Solution for 5-3[2a-6(5a-4)-7]= equation:


Simplifying
5 + -3[2a + -6(5a + -4) + -7] = 0

Reorder the terms:
5 + -3[2a + -6(-4 + 5a) + -7] = 0
5 + -3[2a + (-4 * -6 + 5a * -6) + -7] = 0
5 + -3[2a + (24 + -30a) + -7] = 0

Reorder the terms:
5 + -3[24 + -7 + 2a + -30a] = 0

Combine like terms: 24 + -7 = 17
5 + -3[17 + 2a + -30a] = 0

Combine like terms: 2a + -30a = -28a
5 + -3[17 + -28a] = 0
5 + [17 * -3 + -28a * -3] = 0
5 + [-51 + 84a] = 0

Combine like terms: 5 + -51 = -46
-46 + 84a = 0

Solving
-46 + 84a = 0

Solving for variable 'a'.

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

Add '46' to each side of the equation.
-46 + 46 + 84a = 0 + 46

Combine like terms: -46 + 46 = 0
0 + 84a = 0 + 46
84a = 0 + 46

Combine like terms: 0 + 46 = 46
84a = 46

Divide each side by '84'.
a = 0.5476190476

Simplifying
a = 0.5476190476

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