3x-2(4x+5)=3(-5-10)

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Solution for 3x-2(4x+5)=3(-5-10) equation:


Simplifying
3x + -2(4x + 5) = 3(-5 + -10)

Reorder the terms:
3x + -2(5 + 4x) = 3(-5 + -10)
3x + (5 * -2 + 4x * -2) = 3(-5 + -10)
3x + (-10 + -8x) = 3(-5 + -10)

Reorder the terms:
-10 + 3x + -8x = 3(-5 + -10)

Combine like terms: 3x + -8x = -5x
-10 + -5x = 3(-5 + -10)

Combine like terms: -5 + -10 = -15
-10 + -5x = 3(-15)

Multiply 3 * -15
-10 + -5x = -45

Solving
-10 + -5x = -45

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + -5x = -45 + 10

Combine like terms: -10 + 10 = 0
0 + -5x = -45 + 10
-5x = -45 + 10

Combine like terms: -45 + 10 = -35
-5x = -35

Divide each side by '-5'.
x = 7

Simplifying
x = 7

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