3x+18=10x-45

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Solution for 3x+18=10x-45 equation:


Simplifying
3x + 18 = 10x + -45

Reorder the terms:
18 + 3x = 10x + -45

Reorder the terms:
18 + 3x = -45 + 10x

Solving
18 + 3x = -45 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
18 + 3x + -10x = -45 + 10x + -10x

Combine like terms: 3x + -10x = -7x
18 + -7x = -45 + 10x + -10x

Combine like terms: 10x + -10x = 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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