10x+21=2x+3

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Solution for 10x+21=2x+3 equation:


Simplifying
10x + 21 = 2x + 3

Reorder the terms:
21 + 10x = 2x + 3

Reorder the terms:
21 + 10x = 3 + 2x

Solving
21 + 10x = 3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
21 + 10x + -2x = 3 + 2x + -2x

Combine like terms: 10x + -2x = 8x
21 + 8x = 3 + 2x + -2x

Combine like terms: 2x + -2x = 0
21 + 8x = 3 + 0
21 + 8x = 3

Add '-21' to each side of the equation.
21 + -21 + 8x = 3 + -21

Combine like terms: 21 + -21 = 0
0 + 8x = 3 + -21
8x = 3 + -21

Combine like terms: 3 + -21 = -18
8x = -18

Divide each side by '8'.
x = -2.25

Simplifying
x = -2.25

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