-12+7(x+3)=-2r+7

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Solution for -12+7(x+3)=-2r+7 equation:


Simplifying
-12 + 7(x + 3) = -2r + 7

Reorder the terms:
-12 + 7(3 + x) = -2r + 7
-12 + (3 * 7 + x * 7) = -2r + 7
-12 + (21 + 7x) = -2r + 7

Combine like terms: -12 + 21 = 9
9 + 7x = -2r + 7

Reorder the terms:
9 + 7x = 7 + -2r

Solving
9 + 7x = 7 + -2r

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 7x = 7 + -9 + -2r

Combine like terms: 9 + -9 = 0
0 + 7x = 7 + -9 + -2r
7x = 7 + -9 + -2r

Combine like terms: 7 + -9 = -2
7x = -2 + -2r

Divide each side by '7'.
x = -0.2857142857 + -0.2857142857r

Simplifying
x = -0.2857142857 + -0.2857142857r

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