30=7x-3

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Solution for 30=7x-3 equation:


Simplifying
30 = 7x + -3

Reorder the terms:
30 = -3 + 7x

Solving
30 = -3 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
30 + -7x = -3 + 7x + -7x

Combine like terms: 7x + -7x = 0
30 + -7x = -3 + 0
30 + -7x = -3

Add '-30' to each side of the equation.
30 + -30 + -7x = -3 + -30

Combine like terms: 30 + -30 = 0
0 + -7x = -3 + -30
-7x = -3 + -30

Combine like terms: -3 + -30 = -33
-7x = -33

Divide each side by '-7'.
x = 4.714285714

Simplifying
x = 4.714285714

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