r+(r+14)+2(r-40)=574

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Solution for r+(r+14)+2(r-40)=574 equation:


Simplifying
r + (r + 14) + 2(r + -40) = 574

Reorder the terms:
r + (14 + r) + 2(r + -40) = 574

Remove parenthesis around (14 + r)
r + 14 + r + 2(r + -40) = 574

Reorder the terms:
r + 14 + r + 2(-40 + r) = 574
r + 14 + r + (-40 * 2 + r * 2) = 574
r + 14 + r + (-80 + 2r) = 574

Reorder the terms:
14 + -80 + r + r + 2r = 574

Combine like terms: 14 + -80 = -66
-66 + r + r + 2r = 574

Combine like terms: r + r = 2r
-66 + 2r + 2r = 574

Combine like terms: 2r + 2r = 4r
-66 + 4r = 574

Solving
-66 + 4r = 574

Solving for variable 'r'.

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

Add '66' to each side of the equation.
-66 + 66 + 4r = 574 + 66

Combine like terms: -66 + 66 = 0
0 + 4r = 574 + 66
4r = 574 + 66

Combine like terms: 574 + 66 = 640
4r = 640

Divide each side by '4'.
r = 160

Simplifying
r = 160

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