4x+20=7x-30

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Solution for 4x+20=7x-30 equation:


Simplifying
4x + 20 = 7x + -30

Reorder the terms:
20 + 4x = 7x + -30

Reorder the terms:
20 + 4x = -30 + 7x

Solving
20 + 4x = -30 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
20 + 4x + -7x = -30 + 7x + -7x

Combine like terms: 4x + -7x = -3x
20 + -3x = -30 + 7x + -7x

Combine like terms: 7x + -7x = 0
20 + -3x = -30 + 0
20 + -3x = -30

Add '-20' to each side of the equation.
20 + -20 + -3x = -30 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = -30 + -20
-3x = -30 + -20

Combine like terms: -30 + -20 = -50
-3x = -50

Divide each side by '-3'.
x = 16.66666667

Simplifying
x = 16.66666667

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