16=7(a-3)-12

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Solution for 16=7(a-3)-12 equation:


Simplifying
16 = 7(a + -3) + -12

Reorder the terms:
16 = 7(-3 + a) + -12
16 = (-3 * 7 + a * 7) + -12
16 = (-21 + 7a) + -12

Reorder the terms:
16 = -21 + -12 + 7a

Combine like terms: -21 + -12 = -33
16 = -33 + 7a

Solving
16 = -33 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
16 + -7a = -33 + 7a + -7a

Combine like terms: 7a + -7a = 0
16 + -7a = -33 + 0
16 + -7a = -33

Add '-16' to each side of the equation.
16 + -16 + -7a = -33 + -16

Combine like terms: 16 + -16 = 0
0 + -7a = -33 + -16
-7a = -33 + -16

Combine like terms: -33 + -16 = -49
-7a = -49

Divide each side by '-7'.
a = 7

Simplifying
a = 7

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