3+30x=15x+21

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Solution for 3+30x=15x+21 equation:


Simplifying
3 + 30x = 15x + 21

Reorder the terms:
3 + 30x = 21 + 15x

Solving
3 + 30x = 21 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
3 + 30x + -15x = 21 + 15x + -15x

Combine like terms: 30x + -15x = 15x
3 + 15x = 21 + 15x + -15x

Combine like terms: 15x + -15x = 0
3 + 15x = 21 + 0
3 + 15x = 21

Add '-3' to each side of the equation.
3 + -3 + 15x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 15x = 21 + -3
15x = 21 + -3

Combine like terms: 21 + -3 = 18
15x = 18

Divide each side by '15'.
x = 1.2

Simplifying
x = 1.2

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