5t+10(t+5)+25(t+11)=645

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Solution for 5t+10(t+5)+25(t+11)=645 equation:


Simplifying
5t + 10(t + 5) + 25(t + 11) = 645

Reorder the terms:
5t + 10(5 + t) + 25(t + 11) = 645
5t + (5 * 10 + t * 10) + 25(t + 11) = 645
5t + (50 + 10t) + 25(t + 11) = 645

Reorder the terms:
5t + 50 + 10t + 25(11 + t) = 645
5t + 50 + 10t + (11 * 25 + t * 25) = 645
5t + 50 + 10t + (275 + 25t) = 645

Reorder the terms:
50 + 275 + 5t + 10t + 25t = 645

Combine like terms: 50 + 275 = 325
325 + 5t + 10t + 25t = 645

Combine like terms: 5t + 10t = 15t
325 + 15t + 25t = 645

Combine like terms: 15t + 25t = 40t
325 + 40t = 645

Solving
325 + 40t = 645

Solving for variable 't'.

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

Add '-325' to each side of the equation.
325 + -325 + 40t = 645 + -325

Combine like terms: 325 + -325 = 0
0 + 40t = 645 + -325
40t = 645 + -325

Combine like terms: 645 + -325 = 320
40t = 320

Divide each side by '40'.
t = 8

Simplifying
t = 8

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