1.5x+21=5x-4

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Solution for 1.5x+21=5x-4 equation:


Simplifying
1.5x + 21 = 5x + -4

Reorder the terms:
21 + 1.5x = 5x + -4

Reorder the terms:
21 + 1.5x = -4 + 5x

Solving
21 + 1.5x = -4 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
21 + 1.5x + -5x = -4 + 5x + -5x

Combine like terms: 1.5x + -5x = -3.5x
21 + -3.5x = -4 + 5x + -5x

Combine like terms: 5x + -5x = 0
21 + -3.5x = -4 + 0
21 + -3.5x = -4

Add '-21' to each side of the equation.
21 + -21 + -3.5x = -4 + -21

Combine like terms: 21 + -21 = 0
0 + -3.5x = -4 + -21
-3.5x = -4 + -21

Combine like terms: -4 + -21 = -25
-3.5x = -25

Divide each side by '-3.5'.
x = 7.142857143

Simplifying
x = 7.142857143

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