4(x+7)-2x=30

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Solution for 4(x+7)-2x=30 equation:


Simplifying
4(x + 7) + -2x = 30

Reorder the terms:
4(7 + x) + -2x = 30
(7 * 4 + x * 4) + -2x = 30
(28 + 4x) + -2x = 30

Combine like terms: 4x + -2x = 2x
28 + 2x = 30

Solving
28 + 2x = 30

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 2x = 30 + -28

Combine like terms: 28 + -28 = 0
0 + 2x = 30 + -28
2x = 30 + -28

Combine like terms: 30 + -28 = 2
2x = 2

Divide each side by '2'.
x = 1

Simplifying
x = 1

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