-7(a-1)=-4a+16

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Solution for -7(a-1)=-4a+16 equation:


Simplifying
-7(a + -1) = -4a + 16

Reorder the terms:
-7(-1 + a) = -4a + 16
(-1 * -7 + a * -7) = -4a + 16
(7 + -7a) = -4a + 16

Reorder the terms:
7 + -7a = 16 + -4a

Solving
7 + -7a = 16 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
7 + -7a + 4a = 16 + -4a + 4a

Combine like terms: -7a + 4a = -3a
7 + -3a = 16 + -4a + 4a

Combine like terms: -4a + 4a = 0
7 + -3a = 16 + 0
7 + -3a = 16

Add '-7' to each side of the equation.
7 + -7 + -3a = 16 + -7

Combine like terms: 7 + -7 = 0
0 + -3a = 16 + -7
-3a = 16 + -7

Combine like terms: 16 + -7 = 9
-3a = 9

Divide each side by '-3'.
a = -3

Simplifying
a = -3

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