10(x+3)-(-9x-r)=x-5+3

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Solution for 10(x+3)-(-9x-r)=x-5+3 equation:


Simplifying
10(x + 3) + -1(-9x + -1r) = x + -5 + 3

Reorder the terms:
10(3 + x) + -1(-9x + -1r) = x + -5 + 3
(3 * 10 + x * 10) + -1(-9x + -1r) = x + -5 + 3
(30 + 10x) + -1(-9x + -1r) = x + -5 + 3

Reorder the terms:
30 + 10x + -1(-1r + -9x) = x + -5 + 3
30 + 10x + (-1r * -1 + -9x * -1) = x + -5 + 3
30 + 10x + (1r + 9x) = x + -5 + 3

Reorder the terms:
30 + 1r + 10x + 9x = x + -5 + 3

Combine like terms: 10x + 9x = 19x
30 + 1r + 19x = x + -5 + 3

Reorder the terms:
30 + 1r + 19x = -5 + 3 + x

Combine like terms: -5 + 3 = -2
30 + 1r + 19x = -2 + x

Solving
30 + 1r + 19x = -2 + x

Solving for variable 'r'.

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

Add '-30' to each side of the equation.
30 + 1r + -30 + 19x = -2 + -30 + x

Reorder the terms:
30 + -30 + 1r + 19x = -2 + -30 + x

Combine like terms: 30 + -30 = 0
0 + 1r + 19x = -2 + -30 + x
1r + 19x = -2 + -30 + x

Combine like terms: -2 + -30 = -32
1r + 19x = -32 + x

Add '-19x' to each side of the equation.
1r + 19x + -19x = -32 + x + -19x

Combine like terms: 19x + -19x = 0
1r + 0 = -32 + x + -19x
1r = -32 + x + -19x

Combine like terms: x + -19x = -18x
1r = -32 + -18x

Divide each side by '1'.
r = -32 + -18x

Simplifying
r = -32 + -18x

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