7(x+3)-3=3x+8

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Solution for 7(x+3)-3=3x+8 equation:


Simplifying
7(x + 3) + -3 = 3x + 8

Reorder the terms:
7(3 + x) + -3 = 3x + 8
(3 * 7 + x * 7) + -3 = 3x + 8
(21 + 7x) + -3 = 3x + 8

Reorder the terms:
21 + -3 + 7x = 3x + 8

Combine like terms: 21 + -3 = 18
18 + 7x = 3x + 8

Reorder the terms:
18 + 7x = 8 + 3x

Solving
18 + 7x = 8 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
18 + 7x + -3x = 8 + 3x + -3x

Combine like terms: 7x + -3x = 4x
18 + 4x = 8 + 3x + -3x

Combine like terms: 3x + -3x = 0
18 + 4x = 8 + 0
18 + 4x = 8

Add '-18' to each side of the equation.
18 + -18 + 4x = 8 + -18

Combine like terms: 18 + -18 = 0
0 + 4x = 8 + -18
4x = 8 + -18

Combine like terms: 8 + -18 = -10
4x = -10

Divide each side by '4'.
x = -2.5

Simplifying
x = -2.5

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