7(1-2a)=49

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Solution for 7(1-2a)=49 equation: 


Simplifying
7(1 + -2a) = 49
(1 * 7 + -2a * 7) = 49
(7 + -14a) = 49

Solving
7 + -14a = 49

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + -14a = 49 + -7

Combine like terms: 7 + -7 = 0
0 + -14a = 49 + -7
-14a = 49 + -7

Combine like terms: 49 + -7 = 42
-14a = 42

Divide each side by '-14'.
a = -3

Simplifying
a = -3

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