3x-10(x+2)=13-7

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Solution for 3x-10(x+2)=13-7 equation:


Simplifying
3x + -10(x + 2) = 13 + -7

Reorder the terms:
3x + -10(2 + x) = 13 + -7
3x + (2 * -10 + x * -10) = 13 + -7
3x + (-20 + -10x) = 13 + -7

Reorder the terms:
-20 + 3x + -10x = 13 + -7

Combine like terms: 3x + -10x = -7x
-20 + -7x = 13 + -7

Combine like terms: 13 + -7 = 6
-20 + -7x = 6

Solving
-20 + -7x = 6

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -7x = 6 + 20

Combine like terms: -20 + 20 = 0
0 + -7x = 6 + 20
-7x = 6 + 20

Combine like terms: 6 + 20 = 26
-7x = 26

Divide each side by '-7'.
x = -3.714285714

Simplifying
x = -3.714285714

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