7r-4=3-r

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Solution for 7r-4=3-r equation:


Simplifying
7r + -4 = 3 + -1r

Reorder the terms:
-4 + 7r = 3 + -1r

Solving
-4 + 7r = 3 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
-4 + 7r + r = 3 + -1r + r

Combine like terms: 7r + r = 8r
-4 + 8r = 3 + -1r + r

Combine like terms: -1r + r = 0
-4 + 8r = 3 + 0
-4 + 8r = 3

Add '4' to each side of the equation.
-4 + 4 + 8r = 3 + 4

Combine like terms: -4 + 4 = 0
0 + 8r = 3 + 4
8r = 3 + 4

Combine like terms: 3 + 4 = 7
8r = 7

Divide each side by '8'.
r = 0.875

Simplifying
r = 0.875

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