19x+40=21x-10

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Solution for 19x+40=21x-10 equation: 


Simplifying
19x + 40 = 21x + -10

Reorder the terms:
40 + 19x = 21x + -10

Reorder the terms:
40 + 19x = -10 + 21x

Solving
40 + 19x = -10 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
40 + 19x + -21x = -10 + 21x + -21x

Combine like terms: 19x + -21x = -2x
40 + -2x = -10 + 21x + -21x

Combine like terms: 21x + -21x = 0
40 + -2x = -10 + 0
40 + -2x = -10

Add '-40' to each side of the equation.
40 + -40 + -2x = -10 + -40

Combine like terms: 40 + -40 = 0
0 + -2x = -10 + -40
-2x = -10 + -40

Combine like terms: -10 + -40 = -50
-2x = -50

Divide each side by '-2'.
x = 25

Simplifying
x = 25

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