7-21x=3-5x

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Solution for 7-21x=3-5x equation:


Simplifying
7 + -21x = 3 + -5x

Solving
7 + -21x = 3 + -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.
7 + -21x + 5x = 3 + -5x + 5x

Combine like terms: -21x + 5x = -16x
7 + -16x = 3 + -5x + 5x

Combine like terms: -5x + 5x = 0
7 + -16x = 3 + 0
7 + -16x = 3

Add '-7' to each side of the equation.
7 + -7 + -16x = 3 + -7

Combine like terms: 7 + -7 = 0
0 + -16x = 3 + -7
-16x = 3 + -7

Combine like terms: 3 + -7 = -4
-16x = -4

Divide each side by '-16'.
x = 0.25

Simplifying
x = 0.25

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