3(2x-7)-(x+11)=15

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Solution for 3(2x-7)-(x+11)=15 equation:


Simplifying
3(2x + -7) + -1(x + 11) = 15

Reorder the terms:
3(-7 + 2x) + -1(x + 11) = 15
(-7 * 3 + 2x * 3) + -1(x + 11) = 15
(-21 + 6x) + -1(x + 11) = 15

Reorder the terms:
-21 + 6x + -1(11 + x) = 15
-21 + 6x + (11 * -1 + x * -1) = 15
-21 + 6x + (-11 + -1x) = 15

Reorder the terms:
-21 + -11 + 6x + -1x = 15

Combine like terms: -21 + -11 = -32
-32 + 6x + -1x = 15

Combine like terms: 6x + -1x = 5x
-32 + 5x = 15

Solving
-32 + 5x = 15

Solving for variable 'x'.

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

Add '32' to each side of the equation.
-32 + 32 + 5x = 15 + 32

Combine like terms: -32 + 32 = 0
0 + 5x = 15 + 32
5x = 15 + 32

Combine like terms: 15 + 32 = 47
5x = 47

Divide each side by '5'.
x = 9.4

Simplifying
x = 9.4

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