122=7x-3(-5x-4)

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Solution for 122=7x-3(-5x-4) equation:


Simplifying
122 = 7x + -3(-5x + -4)

Reorder the terms:
122 = 7x + -3(-4 + -5x)
122 = 7x + (-4 * -3 + -5x * -3)
122 = 7x + (12 + 15x)

Reorder the terms:
122 = 12 + 7x + 15x

Combine like terms: 7x + 15x = 22x
122 = 12 + 22x

Solving
122 = 12 + 22x

Solving for variable 'x'.

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

Add '-22x' to each side of the equation.
122 + -22x = 12 + 22x + -22x

Combine like terms: 22x + -22x = 0
122 + -22x = 12 + 0
122 + -22x = 12

Add '-122' to each side of the equation.
122 + -122 + -22x = 12 + -122

Combine like terms: 122 + -122 = 0
0 + -22x = 12 + -122
-22x = 12 + -122

Combine like terms: 12 + -122 = -110
-22x = -110

Divide each side by '-22'.
x = 5

Simplifying
x = 5

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