45x-84=-63+42x

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Solution for 45x-84=-63+42x equation:


Simplifying
45x + -84 = -63 + 42x

Reorder the terms:
-84 + 45x = -63 + 42x

Solving
-84 + 45x = -63 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
-84 + 45x + -42x = -63 + 42x + -42x

Combine like terms: 45x + -42x = 3x
-84 + 3x = -63 + 42x + -42x

Combine like terms: 42x + -42x = 0
-84 + 3x = -63 + 0
-84 + 3x = -63

Add '84' to each side of the equation.
-84 + 84 + 3x = -63 + 84

Combine like terms: -84 + 84 = 0
0 + 3x = -63 + 84
3x = -63 + 84

Combine like terms: -63 + 84 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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