15(-21x+20)=15(-4x+122)

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Solution for 15(-21x+20)=15(-4x+122) equation: 


Simplifying
15(-21x + 20) = 15(-4x + 122)

Reorder the terms:
15(20 + -21x) = 15(-4x + 122)
(20 * 15 + -21x * 15) = 15(-4x + 122)
(300 + -315x) = 15(-4x + 122)

Reorder the terms:
300 + -315x = 15(122 + -4x)
300 + -315x = (122 * 15 + -4x * 15)
300 + -315x = (1830 + -60x)

Solving
300 + -315x = 1830 + -60x

Solving for variable 'x'.

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

Add '60x' to each side of the equation.
300 + -315x + 60x = 1830 + -60x + 60x

Combine like terms: -315x + 60x = -255x
300 + -255x = 1830 + -60x + 60x

Combine like terms: -60x + 60x = 0
300 + -255x = 1830 + 0
300 + -255x = 1830

Add '-300' to each side of the equation.
300 + -300 + -255x = 1830 + -300

Combine like terms: 300 + -300 = 0
0 + -255x = 1830 + -300
-255x = 1830 + -300

Combine like terms: 1830 + -300 = 1530
-255x = 1530

Divide each side by '-255'.
x = -6

Simplifying
x = -6

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