4t+15=7t+20

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Solution for 4t+15=7t+20 equation:


Simplifying
4t + 15 = 7t + 20

Reorder the terms:
15 + 4t = 7t + 20

Reorder the terms:
15 + 4t = 20 + 7t

Solving
15 + 4t = 20 + 7t

Solving for variable 't'.

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

Add '-7t' to each side of the equation.
15 + 4t + -7t = 20 + 7t + -7t

Combine like terms: 4t + -7t = -3t
15 + -3t = 20 + 7t + -7t

Combine like terms: 7t + -7t = 0
15 + -3t = 20 + 0
15 + -3t = 20

Add '-15' to each side of the equation.
15 + -15 + -3t = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -3t = 20 + -15
-3t = 20 + -15

Combine like terms: 20 + -15 = 5
-3t = 5

Divide each side by '-3'.
t = -1.666666667

Simplifying
t = -1.666666667

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