2x+45=7x-(-2x)

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Solution for 2x+45=7x-(-2x) equation:


Simplifying
2x + 45 = 7x + -1(-2x)

Reorder the terms:
45 + 2x = 7x + -1(-2x)

Remove parenthesis around (-2x)
45 + 2x = 7x + -1 * -2x

Multiply -1 * -2
45 + 2x = 7x + 2x

Combine like terms: 7x + 2x = 9x
45 + 2x = 9x

Solving
45 + 2x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
45 + 2x + -9x = 9x + -9x

Combine like terms: 2x + -9x = -7x
45 + -7x = 9x + -9x

Combine like terms: 9x + -9x = 0
45 + -7x = 0

Add '-45' to each side of the equation.
45 + -45 + -7x = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -7x = 0 + -45
-7x = 0 + -45

Combine like terms: 0 + -45 = -45
-7x = -45

Divide each side by '-7'.
x = 6.428571429

Simplifying
x = 6.428571429

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