6.4r-7-2.9r=6.4r-7-(2.9r)

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Solution for 6.4r-7-2.9r=6.4r-7-(2.9r) equation: 


Simplifying
6.4r + -7 + -2.9r = 6.4r + -7 + -1(2.9r)

Reorder the terms:
-7 + 6.4r + -2.9r = 6.4r + -7 + -1(2.9r)

Combine like terms: 6.4r + -2.9r = 3.5r
-7 + 3.5r = 6.4r + -7 + -1(2.9r)

Remove parenthesis around (2.9r)
-7 + 3.5r = 6.4r + -7 + -1 * 2.9r

Multiply -1 * 2.9
-7 + 3.5r = 6.4r + -7 + -2.9r

Reorder the terms:
-7 + 3.5r = -7 + 6.4r + -2.9r

Combine like terms: 6.4r + -2.9r = 3.5r
-7 + 3.5r = -7 + 3.5r

Add '7' to each side of the equation.
-7 + 7 + 3.5r = -7 + 7 + 3.5r

Combine like terms: -7 + 7 = 0
0 + 3.5r = -7 + 7 + 3.5r
3.5r = -7 + 7 + 3.5r

Combine like terms: -7 + 7 = 0
3.5r = 0 + 3.5r
3.5r = 3.5r

Add '-3.5r' to each side of the equation.
3.5r + -3.5r = 3.5r + -3.5r

Combine like terms: 3.5r + -3.5r = 0.0
0.0 = 3.5r + -3.5r

Combine like terms: 3.5r + -3.5r = 0.0
0.0 = 0.0

Solving
0.0 = 0.0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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