4(t-1)+5(t-4)=12

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Solution for 4(t-1)+5(t-4)=12 equation:


Simplifying
4(t + -1) + 5(t + -4) = 12

Reorder the terms:
4(-1 + t) + 5(t + -4) = 12
(-1 * 4 + t * 4) + 5(t + -4) = 12
(-4 + 4t) + 5(t + -4) = 12

Reorder the terms:
-4 + 4t + 5(-4 + t) = 12
-4 + 4t + (-4 * 5 + t * 5) = 12
-4 + 4t + (-20 + 5t) = 12

Reorder the terms:
-4 + -20 + 4t + 5t = 12

Combine like terms: -4 + -20 = -24
-24 + 4t + 5t = 12

Combine like terms: 4t + 5t = 9t
-24 + 9t = 12

Solving
-24 + 9t = 12

Solving for variable 't'.

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

Add '24' to each side of the equation.
-24 + 24 + 9t = 12 + 24

Combine like terms: -24 + 24 = 0
0 + 9t = 12 + 24
9t = 12 + 24

Combine like terms: 12 + 24 = 36
9t = 36

Divide each side by '9'.
t = 4

Simplifying
t = 4

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