7x+5(x+3)-10x=x+20

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Solution for 7x+5(x+3)-10x=x+20 equation:


Simplifying
7x + 5(x + 3) + -10x = x + 20

Reorder the terms:
7x + 5(3 + x) + -10x = x + 20
7x + (3 * 5 + x * 5) + -10x = x + 20
7x + (15 + 5x) + -10x = x + 20

Reorder the terms:
15 + 7x + 5x + -10x = x + 20

Combine like terms: 7x + 5x = 12x
15 + 12x + -10x = x + 20

Combine like terms: 12x + -10x = 2x
15 + 2x = x + 20

Reorder the terms:
15 + 2x = 20 + x

Solving
15 + 2x = 20 + 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.
15 + 2x + -1x = 20 + x + -1x

Combine like terms: 2x + -1x = 1x
15 + 1x = 20 + x + -1x

Combine like terms: x + -1x = 0
15 + 1x = 20 + 0
15 + 1x = 20

Add '-15' to each side of the equation.
15 + -15 + 1x = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 1x = 20 + -15
1x = 20 + -15

Combine like terms: 20 + -15 = 5
1x = 5

Divide each side by '1'.
x = 5

Simplifying
x = 5

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