30=10x+40

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Solution for 30=10x+40 equation:


Simplifying
30 = 10x + 40

Reorder the terms:
30 = 40 + 10x

Solving
30 = 40 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
30 + -10x = 40 + 10x + -10x

Combine like terms: 10x + -10x = 0
30 + -10x = 40 + 0
30 + -10x = 40

Add '-30' to each side of the equation.
30 + -30 + -10x = 40 + -30

Combine like terms: 30 + -30 = 0
0 + -10x = 40 + -30
-10x = 40 + -30

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

Divide each side by '-10'.
x = -1

Simplifying
x = -1

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