-.2x+21=.7x-1.5

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Solution for -.2x+21=.7x-1.5 equation:


Simplifying
-0.2x + 21 = 0.7x + -1.5

Reorder the terms:
21 + -0.2x = 0.7x + -1.5

Reorder the terms:
21 + -0.2x = -1.5 + 0.7x

Solving
21 + -0.2x = -1.5 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
21 + -0.2x + -0.7x = -1.5 + 0.7x + -0.7x

Combine like terms: -0.2x + -0.7x = -0.9x
21 + -0.9x = -1.5 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
21 + -0.9x = -1.5 + 0.0
21 + -0.9x = -1.5

Add '-21' to each side of the equation.
21 + -21 + -0.9x = -1.5 + -21

Combine like terms: 21 + -21 = 0
0 + -0.9x = -1.5 + -21
-0.9x = -1.5 + -21

Combine like terms: -1.5 + -21 = -22.5
-0.9x = -22.5

Divide each side by '-0.9'.
x = 25

Simplifying
x = 25

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