278=2a+2(1+5a)

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Solution for 278=2a+2(1+5a) equation:


Simplifying
278 = 2a + 2(1 + 5a)
278 = 2a + (1 * 2 + 5a * 2)
278 = 2a + (2 + 10a)

Reorder the terms:
278 = 2 + 2a + 10a

Combine like terms: 2a + 10a = 12a
278 = 2 + 12a

Solving
278 = 2 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
278 + -12a = 2 + 12a + -12a

Combine like terms: 12a + -12a = 0
278 + -12a = 2 + 0
278 + -12a = 2

Add '-278' to each side of the equation.
278 + -278 + -12a = 2 + -278

Combine like terms: 278 + -278 = 0
0 + -12a = 2 + -278
-12a = 2 + -278

Combine like terms: 2 + -278 = -276
-12a = -276

Divide each side by '-12'.
a = 23

Simplifying
a = 23

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