10r-4=4r-7

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Solution for 10r-4=4r-7 equation:


Simplifying
10r + -4 = 4r + -7

Reorder the terms:
-4 + 10r = 4r + -7

Reorder the terms:
-4 + 10r = -7 + 4r

Solving
-4 + 10r = -7 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
-4 + 10r + -4r = -7 + 4r + -4r

Combine like terms: 10r + -4r = 6r
-4 + 6r = -7 + 4r + -4r

Combine like terms: 4r + -4r = 0
-4 + 6r = -7 + 0
-4 + 6r = -7

Add '4' to each side of the equation.
-4 + 4 + 6r = -7 + 4

Combine like terms: -4 + 4 = 0
0 + 6r = -7 + 4
6r = -7 + 4

Combine like terms: -7 + 4 = -3
6r = -3

Divide each side by '6'.
r = -0.5

Simplifying
r = -0.5

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