2.1r-7=1.1r-7

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Solution for 2.1r-7=1.1r-7 equation: 


Simplifying
2.1r + -7 = 1.1r + -7

Reorder the terms:
-7 + 2.1r = 1.1r + -7

Reorder the terms:
-7 + 2.1r = -7 + 1.1r

Add '7' to each side of the equation.
-7 + 7 + 2.1r = -7 + 7 + 1.1r

Combine like terms: -7 + 7 = 0
0 + 2.1r = -7 + 7 + 1.1r
2.1r = -7 + 7 + 1.1r

Combine like terms: -7 + 7 = 0
2.1r = 0 + 1.1r
2.1r = 1.1r

Solving
2.1r = 1.1r

Solving for variable 'r'.

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

Add '-1.1r' to each side of the equation.
2.1r + -1.1r = 1.1r + -1.1r

Combine like terms: 2.1r + -1.1r = 1r
1r = 1.1r + -1.1r

Combine like terms: 1.1r + -1.1r = 0.0
1r = 0.0

Divide each side by '1'.
r = 0.0

Simplifying
r = 0.0

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