4(7-4a)=140

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Solution for 4(7-4a)=140 equation: 


Simplifying
4(7 + -4a) = 140
(7 * 4 + -4a * 4) = 140
(28 + -16a) = 140

Solving
28 + -16a = 140

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + -16a = 140 + -28

Combine like terms: 28 + -28 = 0
0 + -16a = 140 + -28
-16a = 140 + -28

Combine like terms: 140 + -28 = 112
-16a = 112

Divide each side by '-16'.
a = -7

Simplifying
a = -7

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