3(7-5x)=4(2x+1)

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Solution for 3(7-5x)=4(2x+1) equation:


Simplifying
3(7 + -5x) = 4(2x + 1)
(7 * 3 + -5x * 3) = 4(2x + 1)
(21 + -15x) = 4(2x + 1)

Reorder the terms:
21 + -15x = 4(1 + 2x)
21 + -15x = (1 * 4 + 2x * 4)
21 + -15x = (4 + 8x)

Solving
21 + -15x = 4 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
21 + -15x + -8x = 4 + 8x + -8x

Combine like terms: -15x + -8x = -23x
21 + -23x = 4 + 8x + -8x

Combine like terms: 8x + -8x = 0
21 + -23x = 4 + 0
21 + -23x = 4

Add '-21' to each side of the equation.
21 + -21 + -23x = 4 + -21

Combine like terms: 21 + -21 = 0
0 + -23x = 4 + -21
-23x = 4 + -21

Combine like terms: 4 + -21 = -17
-23x = -17

Divide each side by '-23'.
x = 0.7391304348

Simplifying
x = 0.7391304348

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