-4=-2a+3(-10a+2)

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Solution for -4=-2a+3(-10a+2) equation:


Simplifying
-4 = -2a + 3(-10a + 2)

Reorder the terms:
-4 = -2a + 3(2 + -10a)
-4 = -2a + (2 * 3 + -10a * 3)
-4 = -2a + (6 + -30a)

Reorder the terms:
-4 = 6 + -2a + -30a

Combine like terms: -2a + -30a = -32a
-4 = 6 + -32a

Solving
-4 = 6 + -32a

Solving for variable 'a'.

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

Add '32a' to each side of the equation.
-4 + 32a = 6 + -32a + 32a

Combine like terms: -32a + 32a = 0
-4 + 32a = 6 + 0
-4 + 32a = 6

Add '4' to each side of the equation.
-4 + 4 + 32a = 6 + 4

Combine like terms: -4 + 4 = 0
0 + 32a = 6 + 4
32a = 6 + 4

Combine like terms: 6 + 4 = 10
32a = 10

Divide each side by '32'.
a = 0.3125

Simplifying
a = 0.3125

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