-3(t-4)+7t=8t-9

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Solution for -3(t-4)+7t=8t-9 equation:


Simplifying
-3(t + -4) + 7t = 8t + -9

Reorder the terms:
-3(-4 + t) + 7t = 8t + -9
(-4 * -3 + t * -3) + 7t = 8t + -9
(12 + -3t) + 7t = 8t + -9

Combine like terms: -3t + 7t = 4t
12 + 4t = 8t + -9

Reorder the terms:
12 + 4t = -9 + 8t

Solving
12 + 4t = -9 + 8t

Solving for variable 't'.

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

Add '-8t' to each side of the equation.
12 + 4t + -8t = -9 + 8t + -8t

Combine like terms: 4t + -8t = -4t
12 + -4t = -9 + 8t + -8t

Combine like terms: 8t + -8t = 0
12 + -4t = -9 + 0
12 + -4t = -9

Add '-12' to each side of the equation.
12 + -12 + -4t = -9 + -12

Combine like terms: 12 + -12 = 0
0 + -4t = -9 + -12
-4t = -9 + -12

Combine like terms: -9 + -12 = -21
-4t = -21

Divide each side by '-4'.
t = 5.25

Simplifying
t = 5.25

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