800+3r=2500+r

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Solution for 800+3r=2500+r equation:


Simplifying
800 + 3r = 2500 + r

Solving
800 + 3r = 2500 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
800 + 3r + -1r = 2500 + r + -1r

Combine like terms: 3r + -1r = 2r
800 + 2r = 2500 + r + -1r

Combine like terms: r + -1r = 0
800 + 2r = 2500 + 0
800 + 2r = 2500

Add '-800' to each side of the equation.
800 + -800 + 2r = 2500 + -800

Combine like terms: 800 + -800 = 0
0 + 2r = 2500 + -800
2r = 2500 + -800

Combine like terms: 2500 + -800 = 1700
2r = 1700

Divide each side by '2'.
r = 850

Simplifying
r = 850

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