3(1-7a)-5a=5a-28

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Solution for 3(1-7a)-5a=5a-28 equation:


Simplifying
3(1 + -7a) + -5a = 5a + -28
(1 * 3 + -7a * 3) + -5a = 5a + -28
(3 + -21a) + -5a = 5a + -28

Combine like terms: -21a + -5a = -26a
3 + -26a = 5a + -28

Reorder the terms:
3 + -26a = -28 + 5a

Solving
3 + -26a = -28 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
3 + -26a + -5a = -28 + 5a + -5a

Combine like terms: -26a + -5a = -31a
3 + -31a = -28 + 5a + -5a

Combine like terms: 5a + -5a = 0
3 + -31a = -28 + 0
3 + -31a = -28

Add '-3' to each side of the equation.
3 + -3 + -31a = -28 + -3

Combine like terms: 3 + -3 = 0
0 + -31a = -28 + -3
-31a = -28 + -3

Combine like terms: -28 + -3 = -31
-31a = -31

Divide each side by '-31'.
a = 1

Simplifying
a = 1

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