7(t-3)+7t=7(2t+4)-12

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Solution for 7(t-3)+7t=7(2t+4)-12 equation: 


Simplifying
7(t + -3) + 7t = 7(2t + 4) + -12

Reorder the terms:
7(-3 + t) + 7t = 7(2t + 4) + -12
(-3 * 7 + t * 7) + 7t = 7(2t + 4) + -12
(-21 + 7t) + 7t = 7(2t + 4) + -12

Combine like terms: 7t + 7t = 14t
-21 + 14t = 7(2t + 4) + -12

Reorder the terms:
-21 + 14t = 7(4 + 2t) + -12
-21 + 14t = (4 * 7 + 2t * 7) + -12
-21 + 14t = (28 + 14t) + -12

Reorder the terms:
-21 + 14t = 28 + -12 + 14t

Combine like terms: 28 + -12 = 16
-21 + 14t = 16 + 14t

Add '-14t' to each side of the equation.
-21 + 14t + -14t = 16 + 14t + -14t

Combine like terms: 14t + -14t = 0
-21 + 0 = 16 + 14t + -14t
-21 = 16 + 14t + -14t

Combine like terms: 14t + -14t = 0
-21 = 16 + 0
-21 = 16

Solving
-21 = 16

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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