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

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


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

Reorder the terms:
-7x + 3(4 + 3x) = 30
-7x + (4 * 3 + 3x * 3) = 30
-7x + (12 + 9x) = 30

Reorder the terms:
12 + -7x + 9x = 30

Combine like terms: -7x + 9x = 2x
12 + 2x = 30

Solving
12 + 2x = 30

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 2x = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 30 + -12
2x = 30 + -12

Combine like terms: 30 + -12 = 18
2x = 18

Divide each side by '2'.
x = 9

Simplifying
x = 9

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