7(t-20)-t=4

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Solution for 7(t-20)-t=4 equation:


Simplifying
7(t + -20) + -1t = 4

Reorder the terms:
7(-20 + t) + -1t = 4
(-20 * 7 + t * 7) + -1t = 4
(-140 + 7t) + -1t = 4

Combine like terms: 7t + -1t = 6t
-140 + 6t = 4

Solving
-140 + 6t = 4

Solving for variable 't'.

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

Add '140' to each side of the equation.
-140 + 140 + 6t = 4 + 140

Combine like terms: -140 + 140 = 0
0 + 6t = 4 + 140
6t = 4 + 140

Combine like terms: 4 + 140 = 144
6t = 144

Divide each side by '6'.
t = 24

Simplifying
t = 24

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