3x+20=70-7x

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Solution for 3x+20=70-7x equation:


Simplifying
3x + 20 = 70 + -7x

Reorder the terms:
20 + 3x = 70 + -7x

Solving
20 + 3x = 70 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
20 + 3x + 7x = 70 + -7x + 7x

Combine like terms: 3x + 7x = 10x
20 + 10x = 70 + -7x + 7x

Combine like terms: -7x + 7x = 0
20 + 10x = 70 + 0
20 + 10x = 70

Add '-20' to each side of the equation.
20 + -20 + 10x = 70 + -20

Combine like terms: 20 + -20 = 0
0 + 10x = 70 + -20
10x = 70 + -20

Combine like terms: 70 + -20 = 50
10x = 50

Divide each side by '10'.
x = 5

Simplifying
x = 5

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