3(x+7)-18=x+10

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Solution for 3(x+7)-18=x+10 equation:


Simplifying
3(x + 7) + -18 = x + 10

Reorder the terms:
3(7 + x) + -18 = x + 10
(7 * 3 + x * 3) + -18 = x + 10
(21 + 3x) + -18 = x + 10

Reorder the terms:
21 + -18 + 3x = x + 10

Combine like terms: 21 + -18 = 3
3 + 3x = x + 10

Reorder the terms:
3 + 3x = 10 + x

Solving
3 + 3x = 10 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 3x + -1x = 10 + x + -1x

Combine like terms: 3x + -1x = 2x
3 + 2x = 10 + x + -1x

Combine like terms: x + -1x = 0
3 + 2x = 10 + 0
3 + 2x = 10

Add '-3' to each side of the equation.
3 + -3 + 2x = 10 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 10 + -3
2x = 10 + -3

Combine like terms: 10 + -3 = 7
2x = 7

Divide each side by '2'.
x = 3.5

Simplifying
x = 3.5

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