7x-4(x-10)=25

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Solution for 7x-4(x-10)=25 equation:


Simplifying
7x + -4(x + -10) = 25

Reorder the terms:
7x + -4(-10 + x) = 25
7x + (-10 * -4 + x * -4) = 25
7x + (40 + -4x) = 25

Reorder the terms:
40 + 7x + -4x = 25

Combine like terms: 7x + -4x = 3x
40 + 3x = 25

Solving
40 + 3x = 25

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 3x = 25 + -40

Combine like terms: 40 + -40 = 0
0 + 3x = 25 + -40
3x = 25 + -40

Combine like terms: 25 + -40 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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