-2a=7-3(-9-4a)

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Solution for -2a=7-3(-9-4a) equation:


Simplifying
-2a = 7 + -3(-9 + -4a)
-2a = 7 + (-9 * -3 + -4a * -3)
-2a = 7 + (27 + 12a)

Combine like terms: 7 + 27 = 34
-2a = 34 + 12a

Solving
-2a = 34 + 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.
-2a + -12a = 34 + 12a + -12a

Combine like terms: -2a + -12a = -14a
-14a = 34 + 12a + -12a

Combine like terms: 12a + -12a = 0
-14a = 34 + 0
-14a = 34

Divide each side by '-14'.
a = -2.428571429

Simplifying
a = -2.428571429

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