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Simplifying -2(r + 2) + -3 = x Reorder the terms: -2(2 + r) + -3 = x (2 * -2 + r * -2) + -3 = x (-4 + -2r) + -3 = x Reorder the terms: -4 + -3 + -2r = x Combine like terms: -4 + -3 = -7 -7 + -2r = x Solving -7 + -2r = x Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2r = 7 + x Combine like terms: -7 + 7 = 0 0 + -2r = 7 + x -2r = 7 + x Divide each side by '-2'. r = -3.5 + -0.5x Simplifying r = -3.5 + -0.5x
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