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

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


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

Reorder the terms:
2x + -3(5 + x) = 7(3x + 1)
2x + (5 * -3 + x * -3) = 7(3x + 1)
2x + (-15 + -3x) = 7(3x + 1)

Reorder the terms:
-15 + 2x + -3x = 7(3x + 1)

Combine like terms: 2x + -3x = -1x
-15 + -1x = 7(3x + 1)

Reorder the terms:
-15 + -1x = 7(1 + 3x)
-15 + -1x = (1 * 7 + 3x * 7)
-15 + -1x = (7 + 21x)

Solving
-15 + -1x = 7 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-15 + -1x + -21x = 7 + 21x + -21x

Combine like terms: -1x + -21x = -22x
-15 + -22x = 7 + 21x + -21x

Combine like terms: 21x + -21x = 0
-15 + -22x = 7 + 0
-15 + -22x = 7

Add '15' to each side of the equation.
-15 + 15 + -22x = 7 + 15

Combine like terms: -15 + 15 = 0
0 + -22x = 7 + 15
-22x = 7 + 15

Combine like terms: 7 + 15 = 22
-22x = 22

Divide each side by '-22'.
x = -1

Simplifying
x = -1

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