x+18+3x=-20-3x-25

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Solution for x+18+3x=-20-3x-25 equation:


Simplifying
x + 18 + 3x = -20 + -3x + -25

Reorder the terms:
18 + x + 3x = -20 + -3x + -25

Combine like terms: x + 3x = 4x
18 + 4x = -20 + -3x + -25

Reorder the terms:
18 + 4x = -20 + -25 + -3x

Combine like terms: -20 + -25 = -45
18 + 4x = -45 + -3x

Solving
18 + 4x = -45 + -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 + 4x + 3x = -45 + -3x + 3x

Combine like terms: 4x + 3x = 7x
18 + 7x = -45 + -3x + 3x

Combine like terms: -3x + 3x = 0
18 + 7x = -45 + 0
18 + 7x = -45

Add '-18' to each side of the equation.
18 + -18 + 7x = -45 + -18

Combine like terms: 18 + -18 = 0
0 + 7x = -45 + -18
7x = -45 + -18

Combine like terms: -45 + -18 = -63
7x = -63

Divide each side by '7'.
x = -9

Simplifying
x = -9

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