3(7-2x)=11-4(x+5)

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Solution for 3(7-2x)=11-4(x+5) equation:


Simplifying
3(7 + -2x) = 11 + -4(x + 5)
(7 * 3 + -2x * 3) = 11 + -4(x + 5)
(21 + -6x) = 11 + -4(x + 5)

Reorder the terms:
21 + -6x = 11 + -4(5 + x)
21 + -6x = 11 + (5 * -4 + x * -4)
21 + -6x = 11 + (-20 + -4x)

Combine like terms: 11 + -20 = -9
21 + -6x = -9 + -4x

Solving
21 + -6x = -9 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
21 + -6x + 4x = -9 + -4x + 4x

Combine like terms: -6x + 4x = -2x
21 + -2x = -9 + -4x + 4x

Combine like terms: -4x + 4x = 0
21 + -2x = -9 + 0
21 + -2x = -9

Add '-21' to each side of the equation.
21 + -21 + -2x = -9 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = -9 + -21
-2x = -9 + -21

Combine like terms: -9 + -21 = -30
-2x = -30

Divide each side by '-2'.
x = 15

Simplifying
x = 15

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