8r-7r-3+43=64

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Solution for 8r-7r-3+43=64 equation:


Simplifying
8r + -7r + -3 + 43 = 64

Reorder the terms:
-3 + 43 + 8r + -7r = 64

Combine like terms: -3 + 43 = 40
40 + 8r + -7r = 64

Combine like terms: 8r + -7r = 1r
40 + 1r = 64

Solving
40 + 1r = 64

Solving for variable 'r'.

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

Add '-40' to each side of the equation.
40 + -40 + 1r = 64 + -40

Combine like terms: 40 + -40 = 0
0 + 1r = 64 + -40
1r = 64 + -40

Combine like terms: 64 + -40 = 24
1r = 24

Divide each side by '1'.
r = 24

Simplifying
r = 24

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