7.5(4x+4)-6(2.5x+1.5)=

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Solution for 7.5(4x+4)-6(2.5x+1.5)= equation:


Simplifying
7.5(4x + 4) + -6(2.5x + 1.5) = 0

Reorder the terms:
7.5(4 + 4x) + -6(2.5x + 1.5) = 0
(4 * 7.5 + 4x * 7.5) + -6(2.5x + 1.5) = 0
(30 + 30x) + -6(2.5x + 1.5) = 0

Reorder the terms:
30 + 30x + -6(1.5 + 2.5x) = 0
30 + 30x + (1.5 * -6 + 2.5x * -6) = 0
30 + 30x + (-9 + -15x) = 0

Reorder the terms:
30 + -9 + 30x + -15x = 0

Combine like terms: 30 + -9 = 21
21 + 30x + -15x = 0

Combine like terms: 30x + -15x = 15x
21 + 15x = 0

Solving
21 + 15x = 0

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 + 15x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 15x = 0 + -21
15x = 0 + -21

Combine like terms: 0 + -21 = -21
15x = -21

Divide each side by '15'.
x = -1.4

Simplifying
x = -1.4

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