8x+40-4x=30

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Solution for 8x+40-4x=30 equation: 


Simplifying
8x + 40 + -4x = 30

Reorder the terms:
40 + 8x + -4x = 30

Combine like terms: 8x + -4x = 4x
40 + 4x = 30

Solving
40 + 4x = 30

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 4x = 30 + -40

Combine like terms: 40 + -40 = 0
0 + 4x = 30 + -40
4x = 30 + -40

Combine like terms: 30 + -40 = -10
4x = -10

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

Simplifying
x = -2.5

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