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

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


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

Reorder the terms:
-7(-9 + t) + -1(t + 4) = 4
(-9 * -7 + t * -7) + -1(t + 4) = 4
(63 + -7t) + -1(t + 4) = 4

Reorder the terms:
63 + -7t + -1(4 + t) = 4
63 + -7t + (4 * -1 + t * -1) = 4
63 + -7t + (-4 + -1t) = 4

Reorder the terms:
63 + -4 + -7t + -1t = 4

Combine like terms: 63 + -4 = 59
59 + -7t + -1t = 4

Combine like terms: -7t + -1t = -8t
59 + -8t = 4

Solving
59 + -8t = 4

Solving for variable 't'.

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

Add '-59' to each side of the equation.
59 + -59 + -8t = 4 + -59

Combine like terms: 59 + -59 = 0
0 + -8t = 4 + -59
-8t = 4 + -59

Combine like terms: 4 + -59 = -55
-8t = -55

Divide each side by '-8'.
t = 6.875

Simplifying
t = 6.875

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