=7(t+8.5)-5t+4

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Solution for =7(t+8.5)-5t+4 equation:


Simplifying
0 = 7(t + 8.5) + -5t + 4

Reorder the terms:
0 = 7(8.5 + t) + -5t + 4
0 = (8.5 * 7 + t * 7) + -5t + 4
0 = (59.5 + 7t) + -5t + 4

Reorder the terms:
0 = 59.5 + 4 + 7t + -5t

Combine like terms: 59.5 + 4 = 63.5
0 = 63.5 + 7t + -5t

Combine like terms: 7t + -5t = 2t
0 = 63.5 + 2t

Solving
0 = 63.5 + 2t

Solving for variable 't'.

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

Add '-2t' to each side of the equation.
0 + -2t = 63.5 + 2t + -2t
Remove the zero:
-2t = 63.5 + 2t + -2t

Combine like terms: 2t + -2t = 0
-2t = 63.5 + 0
-2t = 63.5

Divide each side by '-2'.
t = -31.75

Simplifying
t = -31.75

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