-190=-3x+7(-x-20)

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Solution for -190=-3x+7(-x-20) equation:


Simplifying
-190 = -3x + 7(-1x + -20)

Reorder the terms:
-190 = -3x + 7(-20 + -1x)
-190 = -3x + (-20 * 7 + -1x * 7)
-190 = -3x + (-140 + -7x)

Reorder the terms:
-190 = -140 + -3x + -7x

Combine like terms: -3x + -7x = -10x
-190 = -140 + -10x

Solving
-190 = -140 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
-190 + 10x = -140 + -10x + 10x

Combine like terms: -10x + 10x = 0
-190 + 10x = -140 + 0
-190 + 10x = -140

Add '190' to each side of the equation.
-190 + 190 + 10x = -140 + 190

Combine like terms: -190 + 190 = 0
0 + 10x = -140 + 190
10x = -140 + 190

Combine like terms: -140 + 190 = 50
10x = 50

Divide each side by '10'.
x = 5

Simplifying
x = 5

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