4x+11=8x+21

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Solution for 4x+11=8x+21 equation:


Simplifying
4x + 11 = 8x + 21

Reorder the terms:
11 + 4x = 8x + 21

Reorder the terms:
11 + 4x = 21 + 8x

Solving
11 + 4x = 21 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
11 + 4x + -8x = 21 + 8x + -8x

Combine like terms: 4x + -8x = -4x
11 + -4x = 21 + 8x + -8x

Combine like terms: 8x + -8x = 0
11 + -4x = 21 + 0
11 + -4x = 21

Add '-11' to each side of the equation.
11 + -11 + -4x = 21 + -11

Combine like terms: 11 + -11 = 0
0 + -4x = 21 + -11
-4x = 21 + -11

Combine like terms: 21 + -11 = 10
-4x = 10

Divide each side by '-4'.
x = -2.5

Simplifying
x = -2.5

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