5(2x-2)+2(1-3x)=21

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Solution for 5(2x-2)+2(1-3x)=21 equation:


Simplifying
5(2x + -2) + 2(1 + -3x) = 21

Reorder the terms:
5(-2 + 2x) + 2(1 + -3x) = 21
(-2 * 5 + 2x * 5) + 2(1 + -3x) = 21
(-10 + 10x) + 2(1 + -3x) = 21
-10 + 10x + (1 * 2 + -3x * 2) = 21
-10 + 10x + (2 + -6x) = 21

Reorder the terms:
-10 + 2 + 10x + -6x = 21

Combine like terms: -10 + 2 = -8
-8 + 10x + -6x = 21

Combine like terms: 10x + -6x = 4x
-8 + 4x = 21

Solving
-8 + 4x = 21

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 4x = 21 + 8

Combine like terms: -8 + 8 = 0
0 + 4x = 21 + 8
4x = 21 + 8

Combine like terms: 21 + 8 = 29
4x = 29

Divide each side by '4'.
x = 7.25

Simplifying
x = 7.25

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