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

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


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

Reorder the terms:
3(7 + 2x) + -4x = 7(x + 5)
(7 * 3 + 2x * 3) + -4x = 7(x + 5)
(21 + 6x) + -4x = 7(x + 5)

Combine like terms: 6x + -4x = 2x
21 + 2x = 7(x + 5)

Reorder the terms:
21 + 2x = 7(5 + x)
21 + 2x = (5 * 7 + x * 7)
21 + 2x = (35 + 7x)

Solving
21 + 2x = 35 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
21 + 2x + -7x = 35 + 7x + -7x

Combine like terms: 2x + -7x = -5x
21 + -5x = 35 + 7x + -7x

Combine like terms: 7x + -7x = 0
21 + -5x = 35 + 0
21 + -5x = 35

Add '-21' to each side of the equation.
21 + -21 + -5x = 35 + -21

Combine like terms: 21 + -21 = 0
0 + -5x = 35 + -21
-5x = 35 + -21

Combine like terms: 35 + -21 = 14
-5x = 14

Divide each side by '-5'.
x = -2.8

Simplifying
x = -2.8

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