4(x+2)-7(x-1)+9(3x-4)=30

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Solution for 4(x+2)-7(x-1)+9(3x-4)=30 equation:


Simplifying
4(x + 2) + -7(x + -1) + 9(3x + -4) = 30

Reorder the terms:
4(2 + x) + -7(x + -1) + 9(3x + -4) = 30
(2 * 4 + x * 4) + -7(x + -1) + 9(3x + -4) = 30
(8 + 4x) + -7(x + -1) + 9(3x + -4) = 30

Reorder the terms:
8 + 4x + -7(-1 + x) + 9(3x + -4) = 30
8 + 4x + (-1 * -7 + x * -7) + 9(3x + -4) = 30
8 + 4x + (7 + -7x) + 9(3x + -4) = 30

Reorder the terms:
8 + 4x + 7 + -7x + 9(-4 + 3x) = 30
8 + 4x + 7 + -7x + (-4 * 9 + 3x * 9) = 30
8 + 4x + 7 + -7x + (-36 + 27x) = 30

Reorder the terms:
8 + 7 + -36 + 4x + -7x + 27x = 30

Combine like terms: 8 + 7 = 15
15 + -36 + 4x + -7x + 27x = 30

Combine like terms: 15 + -36 = -21
-21 + 4x + -7x + 27x = 30

Combine like terms: 4x + -7x = -3x
-21 + -3x + 27x = 30

Combine like terms: -3x + 27x = 24x
-21 + 24x = 30

Solving
-21 + 24x = 30

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 24x = 30 + 21

Combine like terms: -21 + 21 = 0
0 + 24x = 30 + 21
24x = 30 + 21

Combine like terms: 30 + 21 = 51
24x = 51

Divide each side by '24'.
x = 2.125

Simplifying
x = 2.125

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