-7t+4(-21t-15)=-7(2t+19)

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Solution for -7t+4(-21t-15)=-7(2t+19) equation:


Simplifying
-7t + 4(-21t + -15) = -7(2t + 19)

Reorder the terms:
-7t + 4(-15 + -21t) = -7(2t + 19)
-7t + (-15 * 4 + -21t * 4) = -7(2t + 19)
-7t + (-60 + -84t) = -7(2t + 19)

Reorder the terms:
-60 + -7t + -84t = -7(2t + 19)

Combine like terms: -7t + -84t = -91t
-60 + -91t = -7(2t + 19)

Reorder the terms:
-60 + -91t = -7(19 + 2t)
-60 + -91t = (19 * -7 + 2t * -7)
-60 + -91t = (-133 + -14t)

Solving
-60 + -91t = -133 + -14t

Solving for variable 't'.

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

Add '14t' to each side of the equation.
-60 + -91t + 14t = -133 + -14t + 14t

Combine like terms: -91t + 14t = -77t
-60 + -77t = -133 + -14t + 14t

Combine like terms: -14t + 14t = 0
-60 + -77t = -133 + 0
-60 + -77t = -133

Add '60' to each side of the equation.
-60 + 60 + -77t = -133 + 60

Combine like terms: -60 + 60 = 0
0 + -77t = -133 + 60
-77t = -133 + 60

Combine like terms: -133 + 60 = -73
-77t = -73

Divide each side by '-77'.
t = 0.9480519481

Simplifying
t = 0.9480519481

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