4(7+x)-3x=7

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Solution for 4(7+x)-3x=7 equation:


Simplifying
4(7 + x) + -3x = 7
(7 * 4 + x * 4) + -3x = 7
(28 + 4x) + -3x = 7

Combine like terms: 4x + -3x = 1x
28 + 1x = 7

Solving
28 + 1x = 7

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 + 1x = 7 + -28

Combine like terms: 28 + -28 = 0
0 + 1x = 7 + -28
1x = 7 + -28

Combine like terms: 7 + -28 = -21
1x = -21

Divide each side by '1'.
x = -21

Simplifying
x = -21

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