9(t-4)-4(5t+1)=-12(t+4)-7

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Solution for 9(t-4)-4(5t+1)=-12(t+4)-7 equation:


Simplifying
9(t + -4) + -4(5t + 1) = -12(t + 4) + -7

Reorder the terms:
9(-4 + t) + -4(5t + 1) = -12(t + 4) + -7
(-4 * 9 + t * 9) + -4(5t + 1) = -12(t + 4) + -7
(-36 + 9t) + -4(5t + 1) = -12(t + 4) + -7

Reorder the terms:
-36 + 9t + -4(1 + 5t) = -12(t + 4) + -7
-36 + 9t + (1 * -4 + 5t * -4) = -12(t + 4) + -7
-36 + 9t + (-4 + -20t) = -12(t + 4) + -7

Reorder the terms:
-36 + -4 + 9t + -20t = -12(t + 4) + -7

Combine like terms: -36 + -4 = -40
-40 + 9t + -20t = -12(t + 4) + -7

Combine like terms: 9t + -20t = -11t
-40 + -11t = -12(t + 4) + -7

Reorder the terms:
-40 + -11t = -12(4 + t) + -7
-40 + -11t = (4 * -12 + t * -12) + -7
-40 + -11t = (-48 + -12t) + -7

Reorder the terms:
-40 + -11t = -48 + -7 + -12t

Combine like terms: -48 + -7 = -55
-40 + -11t = -55 + -12t

Solving
-40 + -11t = -55 + -12t

Solving for variable 't'.

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

Add '12t' to each side of the equation.
-40 + -11t + 12t = -55 + -12t + 12t

Combine like terms: -11t + 12t = 1t
-40 + 1t = -55 + -12t + 12t

Combine like terms: -12t + 12t = 0
-40 + 1t = -55 + 0
-40 + 1t = -55

Add '40' to each side of the equation.
-40 + 40 + 1t = -55 + 40

Combine like terms: -40 + 40 = 0
0 + 1t = -55 + 40
1t = -55 + 40

Combine like terms: -55 + 40 = -15
1t = -15

Divide each side by '1'.
t = -15

Simplifying
t = -15

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