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

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


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

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

Reorder the terms:
-7 + 7x + 3(2 + 5x) = 2x + -1(x + 7)
-7 + 7x + (2 * 3 + 5x * 3) = 2x + -1(x + 7)
-7 + 7x + (6 + 15x) = 2x + -1(x + 7)

Reorder the terms:
-7 + 6 + 7x + 15x = 2x + -1(x + 7)

Combine like terms: -7 + 6 = -1
-1 + 7x + 15x = 2x + -1(x + 7)

Combine like terms: 7x + 15x = 22x
-1 + 22x = 2x + -1(x + 7)

Reorder the terms:
-1 + 22x = 2x + -1(7 + x)
-1 + 22x = 2x + (7 * -1 + x * -1)
-1 + 22x = 2x + (-7 + -1x)

Reorder the terms:
-1 + 22x = -7 + 2x + -1x

Combine like terms: 2x + -1x = 1x
-1 + 22x = -7 + 1x

Solving
-1 + 22x = -7 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-1 + 22x + -1x = -7 + 1x + -1x

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

Combine like terms: 1x + -1x = 0
-1 + 21x = -7 + 0
-1 + 21x = -7

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

Combine like terms: -1 + 1 = 0
0 + 21x = -7 + 1
21x = -7 + 1

Combine like terms: -7 + 1 = -6
21x = -6

Divide each side by '21'.
x = -0.2857142857

Simplifying
x = -0.2857142857

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