10r+40=12r-6

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Solution for 10r+40=12r-6 equation:


Simplifying
10r + 40 = 12r + -6

Reorder the terms:
40 + 10r = 12r + -6

Reorder the terms:
40 + 10r = -6 + 12r

Solving
40 + 10r = -6 + 12r

Solving for variable 'r'.

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

Add '-12r' to each side of the equation.
40 + 10r + -12r = -6 + 12r + -12r

Combine like terms: 10r + -12r = -2r
40 + -2r = -6 + 12r + -12r

Combine like terms: 12r + -12r = 0
40 + -2r = -6 + 0
40 + -2r = -6

Add '-40' to each side of the equation.
40 + -40 + -2r = -6 + -40

Combine like terms: 40 + -40 = 0
0 + -2r = -6 + -40
-2r = -6 + -40

Combine like terms: -6 + -40 = -46
-2r = -46

Divide each side by '-2'.
r = 23

Simplifying
r = 23

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