4r+7-t=19

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Solution for 4r+7-t=19 equation:


Simplifying
4r + 7 + -1t = 19

Reorder the terms:
7 + 4r + -1t = 19

Solving
7 + 4r + -1t = 19

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + 4r + -7 + -1t = 19 + -7

Reorder the terms:
7 + -7 + 4r + -1t = 19 + -7

Combine like terms: 7 + -7 = 0
0 + 4r + -1t = 19 + -7
4r + -1t = 19 + -7

Combine like terms: 19 + -7 = 12
4r + -1t = 12

Add 't' to each side of the equation.
4r + -1t + t = 12 + t

Combine like terms: -1t + t = 0
4r + 0 = 12 + t
4r = 12 + t

Divide each side by '4'.
r = 3 + 0.25t

Simplifying
r = 3 + 0.25t

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