45=5x+2(x-2)

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Solution for 45=5x+2(x-2) equation:


Simplifying
45 = 5x + 2(x + -2)

Reorder the terms:
45 = 5x + 2(-2 + x)
45 = 5x + (-2 * 2 + x * 2)
45 = 5x + (-4 + 2x)

Reorder the terms:
45 = -4 + 5x + 2x

Combine like terms: 5x + 2x = 7x
45 = -4 + 7x

Solving
45 = -4 + 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.
45 + -7x = -4 + 7x + -7x

Combine like terms: 7x + -7x = 0
45 + -7x = -4 + 0
45 + -7x = -4

Add '-45' to each side of the equation.
45 + -45 + -7x = -4 + -45

Combine like terms: 45 + -45 = 0
0 + -7x = -4 + -45
-7x = -4 + -45

Combine like terms: -4 + -45 = -49
-7x = -49

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

Simplifying
x = 7

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