3x-4(7+1y)=15

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Solution for 3x-4(7+1y)=15 equation:


Simplifying
3x + -4(7 + 1y) = 15
3x + (7 * -4 + 1y * -4) = 15
3x + (-28 + -4y) = 15

Reorder the terms:
-28 + 3x + -4y = 15

Solving
-28 + 3x + -4y = 15

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 3x + 28 + -4y = 15 + 28

Reorder the terms:
-28 + 28 + 3x + -4y = 15 + 28

Combine like terms: -28 + 28 = 0
0 + 3x + -4y = 15 + 28
3x + -4y = 15 + 28

Combine like terms: 15 + 28 = 43
3x + -4y = 43

Add '4y' to each side of the equation.
3x + -4y + 4y = 43 + 4y

Combine like terms: -4y + 4y = 0
3x + 0 = 43 + 4y
3x = 43 + 4y

Divide each side by '3'.
x = 14.33333333 + 1.333333333y

Simplifying
x = 14.33333333 + 1.333333333y

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