10=4+-r

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Solution for 10=4+-r equation:


Simplifying
10 = 4 + -1r

Solving
10 = 4 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
10 + r = 4 + -1r + r

Combine like terms: -1r + r = 0
10 + r = 4 + 0
10 + r = 4

Add '-10' to each side of the equation.
10 + -10 + r = 4 + -10

Combine like terms: 10 + -10 = 0
0 + r = 4 + -10
r = 4 + -10

Combine like terms: 4 + -10 = -6
r = -6

Simplifying
r = -6

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