7x+20(2)=5(x+20)

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Solution for 7x+20(2)=5(x+20) equation:


Simplifying
7x + 20(2) = 5(x + 20)

Multiply 20 * 2
7x + 40 = 5(x + 20)

Reorder the terms:
40 + 7x = 5(x + 20)

Reorder the terms:
40 + 7x = 5(20 + x)
40 + 7x = (20 * 5 + x * 5)
40 + 7x = (100 + 5x)

Solving
40 + 7x = 100 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
40 + 7x + -5x = 100 + 5x + -5x

Combine like terms: 7x + -5x = 2x
40 + 2x = 100 + 5x + -5x

Combine like terms: 5x + -5x = 0
40 + 2x = 100 + 0
40 + 2x = 100

Add '-40' to each side of the equation.
40 + -40 + 2x = 100 + -40

Combine like terms: 40 + -40 = 0
0 + 2x = 100 + -40
2x = 100 + -40

Combine like terms: 100 + -40 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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