3(t-5)-15=90

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Solution for 3(t-5)-15=90 equation:


Simplifying
3(t + -5) + -15 = 90

Reorder the terms:
3(-5 + t) + -15 = 90
(-5 * 3 + t * 3) + -15 = 90
(-15 + 3t) + -15 = 90

Reorder the terms:
-15 + -15 + 3t = 90

Combine like terms: -15 + -15 = -30
-30 + 3t = 90

Solving
-30 + 3t = 90

Solving for variable 't'.

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

Add '30' to each side of the equation.
-30 + 30 + 3t = 90 + 30

Combine like terms: -30 + 30 = 0
0 + 3t = 90 + 30
3t = 90 + 30

Combine like terms: 90 + 30 = 120
3t = 120

Divide each side by '3'.
t = 40

Simplifying
t = 40

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