7x+3x-1(10x+2)=5+x

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Solution for 7x+3x-1(10x+2)=5+x equation:


Simplifying
7x + 3x + -1(10x + 2) = 5 + x

Reorder the terms:
7x + 3x + -1(2 + 10x) = 5 + x
7x + 3x + (2 * -1 + 10x * -1) = 5 + x
7x + 3x + (-2 + -10x) = 5 + x

Reorder the terms:
-2 + 7x + 3x + -10x = 5 + x

Combine like terms: 7x + 3x = 10x
-2 + 10x + -10x = 5 + x

Combine like terms: 10x + -10x = 0
-2 + 0 = 5 + x
-2 = 5 + x

Solving
-2 = 5 + x

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.
-2 + -1x = 5 + x + -1x

Combine like terms: x + -1x = 0
-2 + -1x = 5 + 0
-2 + -1x = 5

Add '2' to each side of the equation.
-2 + 2 + -1x = 5 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = 5 + 2
-1x = 5 + 2

Combine like terms: 5 + 2 = 7
-1x = 7

Divide each side by '-1'.
x = -7

Simplifying
x = -7

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