100=10x+30

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Solution for 100=10x+30 equation:


Simplifying
100 = 10x + 30

Reorder the terms:
100 = 30 + 10x

Solving
100 = 30 + 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.
100 + -10x = 30 + 10x + -10x

Combine like terms: 10x + -10x = 0
100 + -10x = 30 + 0
100 + -10x = 30

Add '-100' to each side of the equation.
100 + -100 + -10x = 30 + -100

Combine like terms: 100 + -100 = 0
0 + -10x = 30 + -100
-10x = 30 + -100

Combine like terms: 30 + -100 = -70
-10x = -70

Divide each side by '-10'.
x = 7

Simplifying
x = 7

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