-3(x+y)+7(2x+1)=

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


Simplifying
-3(x + y) + 7(2x + 1) = 0
(x * -3 + y * -3) + 7(2x + 1) = 0
(-3x + -3y) + 7(2x + 1) = 0

Reorder the terms:
-3x + -3y + 7(1 + 2x) = 0
-3x + -3y + (1 * 7 + 2x * 7) = 0
-3x + -3y + (7 + 14x) = 0

Reorder the terms:
7 + -3x + 14x + -3y = 0

Combine like terms: -3x + 14x = 11x
7 + 11x + -3y = 0

Solving
7 + 11x + -3y = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + 11x + -7 + -3y = 0 + -7

Reorder the terms:
7 + -7 + 11x + -3y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 11x + -3y = 0 + -7
11x + -3y = 0 + -7

Combine like terms: 0 + -7 = -7
11x + -3y = -7

Add '3y' to each side of the equation.
11x + -3y + 3y = -7 + 3y

Combine like terms: -3y + 3y = 0
11x + 0 = -7 + 3y
11x = -7 + 3y

Divide each side by '11'.
x = -0.6363636364 + 0.2727272727y

Simplifying
x = -0.6363636364 + 0.2727272727y

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