r-(1*6.4)=1.2

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Solution for r-(1*6.4)=1.2 equation: 


Simplifying
r + -1(1 * 6.4) = 1.2

Multiply 1 * 6.4
r + -1(6.4) = 1.2

Multiply -1 * 6.4
r + -6.4 = 1.2

Reorder the terms:
-6.4 + r = 1.2

Solving
-6.4 + r = 1.2

Solving for variable 'r'.

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

Add '6.4' to each side of the equation.
-6.4 + 6.4 + r = 1.2 + 6.4

Combine like terms: -6.4 + 6.4 = 0.0
0.0 + r = 1.2 + 6.4
r = 1.2 + 6.4

Combine like terms: 1.2 + 6.4 = 7.6
r = 7.6

Simplifying
r = 7.6

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