7x-3(2x+4)+11=30

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Solution for 7x-3(2x+4)+11=30 equation:


Simplifying
7x + -3(2x + 4) + 11 = 30

Reorder the terms:
7x + -3(4 + 2x) + 11 = 30
7x + (4 * -3 + 2x * -3) + 11 = 30
7x + (-12 + -6x) + 11 = 30

Reorder the terms:
-12 + 11 + 7x + -6x = 30

Combine like terms: -12 + 11 = -1
-1 + 7x + -6x = 30

Combine like terms: 7x + -6x = 1x
-1 + 1x = 30

Solving
-1 + 1x = 30

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 1x = 30 + 1

Combine like terms: -1 + 1 = 0
0 + 1x = 30 + 1
1x = 30 + 1

Combine like terms: 30 + 1 = 31
1x = 31

Divide each side by '1'.
x = 31

Simplifying
x = 31

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