7x+2=7-(x+20)

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Solution for 7x+2=7-(x+20) equation:


Simplifying
7x + 2 = 7 + -1(x + 20)

Reorder the terms:
2 + 7x = 7 + -1(x + 20)

Reorder the terms:
2 + 7x = 7 + -1(20 + x)
2 + 7x = 7 + (20 * -1 + x * -1)
2 + 7x = 7 + (-20 + -1x)

Combine like terms: 7 + -20 = -13
2 + 7x = -13 + -1x

Solving
2 + 7x = -13 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
2 + 7x + x = -13 + -1x + x

Combine like terms: 7x + x = 8x
2 + 8x = -13 + -1x + x

Combine like terms: -1x + x = 0
2 + 8x = -13 + 0
2 + 8x = -13

Add '-2' to each side of the equation.
2 + -2 + 8x = -13 + -2

Combine like terms: 2 + -2 = 0
0 + 8x = -13 + -2
8x = -13 + -2

Combine like terms: -13 + -2 = -15
8x = -15

Divide each side by '8'.
x = -1.875

Simplifying
x = -1.875

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