2x-4x-10=90-7x

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Solution for 2x-4x-10=90-7x equation:


Simplifying
2x + -4x + -10 = 90 + -7x

Reorder the terms:
-10 + 2x + -4x = 90 + -7x

Combine like terms: 2x + -4x = -2x
-10 + -2x = 90 + -7x

Solving
-10 + -2x = 90 + -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.
-10 + -2x + 7x = 90 + -7x + 7x

Combine like terms: -2x + 7x = 5x
-10 + 5x = 90 + -7x + 7x

Combine like terms: -7x + 7x = 0
-10 + 5x = 90 + 0
-10 + 5x = 90

Add '10' to each side of the equation.
-10 + 10 + 5x = 90 + 10

Combine like terms: -10 + 10 = 0
0 + 5x = 90 + 10
5x = 90 + 10

Combine like terms: 90 + 10 = 100
5x = 100

Divide each side by '5'.
x = 20

Simplifying
x = 20

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